{ "schemaVersion": 1, "edition": 2026, "lastReviewedDate": "2026-07-16", "setups": [ { "stringSetupId": "550e8400-e29b-41d4-a716-446655440001", "racquetRecordId": "a1000001-0001-0001-0001-000000000001", "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440002", "racquetRecordId": "a1000001-0001-0001-0001-000000000002", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440004", "racquetRecordId": "a1000001-0001-0001-0001-000000000003", "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "natural_gut", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440003", "racquetRecordId": "a1000001-0001-0001-0001-000000000004", "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440005", "racquetRecordId": "a1000001-0001-0001-0001-000000000005", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440006", "racquetRecordId": "a1000001-0001-0001-0001-000000000008", "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "natural_gut", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440007", "racquetRecordId": "a1000001-0001-0001-0001-000000000007", "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440051", "racquetRecordId": "w1000001-0001-0001-0001-000000000002", "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440008", "racquetRecordId": "a1000001-0001-0001-0001-000000000011", "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440009", "racquetRecordId": "a1000001-0001-0001-0001-000000000009", "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440010", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440011", "racquetRecordId": "a1000001-0001-0001-0001-000000000010", "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "ProStrung", "title": "What string tension do pros use?", "url": "https://prostrung.com/what-string-tension-do-pros-use/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440012", "racquetRecordId": "a1000001-0001-0001-0001-000000000006", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "ATP Live Rankings (ranking); Babolat pro player equipment page (string model); DoItTennis pro bundle (53 lb tension, 16g gauge); Tennis Warehouse (16g=1.30mm product page)", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440013", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "natural_gut", "evidenceClass": "reported", "catalogSource": "tenniscompanion", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440014", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "natural_gut", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440015", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440016", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440017", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "ATP Tour (ranking) + Tennisnerd (citing Wilson) for string & tension", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440018", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440019", "racquetRecordId": null, "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440020", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "ATP Live Rankings (rank); SuperTennis (2022-09-17, Pier Paolo 'Jambo' Melis stringing details) corroborated by Prostrung (updated 2025-11-20)", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440021", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "official", "catalogSource": "Babolat lists Félix Auger-Aliassime using RPM Rough (official player/string pages). Tension commonly reported at ~23 kg with 1.30mm gauge by pro-gear writeups; RPM Rough is noted as formerly called RPM Blast Rough.", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440022", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440023", "racquetRecordId": null, "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440024", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440025", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440050", "racquetRecordId": "w1000001-0001-0001-0001-000000000001", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440052", "racquetRecordId": "w1000001-0001-0001-0001-000000000003", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440053", "racquetRecordId": "w1000001-0001-0001-0001-000000000005", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440054", "racquetRecordId": "w1000001-0001-0001-0001-000000000004", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440055", "racquetRecordId": null, "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440056", "racquetRecordId": "w1000001-0001-0001-0001-000000000006", "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "natural_gut", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440057", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "official", "catalogSource": "official (Yonex: VCORE / POLYTOUR REV) + retailer spec for tension (POLYTOUR REV 1.25 @ 55 lbs)", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440058", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440059", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440060", "racquetRecordId": "w1000001-0001-0001-0001-000000000008", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440061", "racquetRecordId": "w1000001-0001-0001-0001-000000000010", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440062", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440063", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "official", "catalogSource": "manufacturer/retailer", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440064", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440065", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "Do It Tennis pro player bundle; IQ Tennis equipment database; WTA ranking", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440066", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "official", "catalogSource": "brand", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. Main-string tension was not publicly reported in the catalog snapshot. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440067", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "gear-source", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. Main-string tension was not publicly reported in the catalog snapshot. Cross-string tension was not publicly reported in the catalog snapshot.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440068", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "retailer/player-profile", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440069", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "retailer_pro_player_bundle", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440070", "racquetRecordId": null, "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "public gear report; tension from forum-sourced report", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440071", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour-stringing-log/social", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440072", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tournament-stringing-room", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440073", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440074", "racquetRecordId": null, "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "official", "catalogSource": "brand", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. Main-string tension was not publicly reported in the catalog snapshot. Cross-string tension was not publicly reported in the catalog snapshot.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440075", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "natural_gut", "evidenceClass": "reported", "catalogSource": "publishedGearDatabase", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "ProStrung", "title": "What string tension do pros use?", "url": "https://prostrung.com/what-string-tension-do-pros-use/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440076", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "retailer-public-report", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. Main-string tension was not publicly reported in the catalog snapshot. Cross-string tension was not publicly reported in the catalog snapshot.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440077", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "gear-report; medium confidence; tensions use midpoint of reported ranges", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440078", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "secondary", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440079", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "third_party_reported", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440100", "racquetRecordId": "l1000001-0001-0001-0001-000000000001", "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "historical", "catalogSource": "manufacturer/stringer", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Wikipedia", "title": "Roger Federer — equipment and reported string tension", "url": "https://en.wikipedia.org/wiki/Roger_Federer", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440101", "racquetRecordId": "l1000001-0001-0001-0001-000000000002", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "historical", "catalogSource": "public_verified", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "ProStrung", "title": "What string tension do pros use?", "url": "https://prostrung.com/what-string-tension-do-pros-use/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440102", "racquetRecordId": "l1000001-0001-0001-0001-000000000003", "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "historical", "catalogSource": "official_brand_profile_and_published_tension_reference", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "ESPN", "title": "Conventional ways for Serena — natural gut and Luxilon 4G hybrid", "url": "https://www.espn.co.uk/tennis/usopen12/story/_/id/8333931/us-open-conventional-serena", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440103", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "historical", "catalogSource": "tour-stringing-room", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "ESPN", "title": "Conventional ways for Serena — Williams sisters' gut/4G setups", "url": "https://www.espn.co.uk/tennis/usopen12/story/_/id/8333931/us-open-conventional-serena", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440104", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "historical", "catalogSource": "reported", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440105", "racquetRecordId": "l1000001-0001-0001-0001-000000000004", "setupType": "not_reported", "mainConstruction": "natural_gut", "crossConstruction": "not_applicable", "evidenceClass": "historical", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "ASAP Sports", "title": "Pete Sampras interview — 34 kg string tension", "url": "https://www.asapsports.com/show_interview.php?id=13246", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440106", "racquetRecordId": "l1000001-0001-0001-0001-000000000005", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "historical", "catalogSource": "archival_tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Tennisnerd", "title": "Andre Agassi's racquet and switch to Luxilon ALU Power", "url": "https://www.tennisnerd.net/gear/racquets/andre-agassis-racquet/20468", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440107", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "historical", "catalogSource": "public_report", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Mijnracket", "title": "Professional string setups and standard tensions", "url": "https://mijnracket.nl/en/pages/snaren-bespannen", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440108", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "natural_gut", "crossConstruction": "not_applicable", "evidenceClass": "historical", "catalogSource": "historical", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "alt.tennis archive", "title": "Racquets of the pros — frame, string, gauge, and tension", "url": "https://groups.google.com/g/alt.tennis/c/DBqoBGdbZdU", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440109", "racquetRecordId": "l1000001-0001-0001-0001-000000000008", "setupType": "full_bed", "mainConstruction": "natural_gut", "crossConstruction": "natural_gut", "evidenceClass": "historical", "catalogSource": "historical", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Tennis Warehouse Talk", "title": "John McEnroe's BDE natural gut tension", "url": "https://tt.tennis-warehouse.com/index.php?threads/john-mcenroes-tension.134670/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440110", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "natural_gut", "crossConstruction": "not_applicable", "evidenceClass": "historical", "catalogSource": "historical", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "The Washington Post", "title": "Bjorn Borg's tournament racquets and string tension", "url": "https://www.washingtonpost.com/archive/sports/1979/09/02/bjorn-borg/ca1aeb48-0b70-4db2-9da4-c44777b93b1f/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440111", "racquetRecordId": "l1000001-0001-0001-0001-000000000007", "setupType": "not_reported", "mainConstruction": "natural_gut", "crossConstruction": "not_applicable", "evidenceClass": "historical", "catalogSource": "historical_public_specs", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Bosworth Tennis", "title": "Martina Navratilova's personalized Bosworth equipment", "url": "https://www.bosworthtennis.com/pages/stories.html", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440112", "racquetRecordId": "l1000001-0001-0001-0001-000000000006", "setupType": "not_reported", "mainConstruction": "natural_gut", "crossConstruction": "not_applicable", "evidenceClass": "historical", "catalogSource": "historical", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Wikipedia", "title": "Steffi Graf — reported racquet string tension", "url": "https://en.wikipedia.org/wiki/Steffi_Graf", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440113", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "multifilament", "crossConstruction": "not_applicable", "evidenceClass": "historical", "catalogSource": "archival_equipment_log", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Yonex", "title": "Yonex tennis strings — Tour Super 850 Pro", "url": "https://strings.yonex.com/tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] } ] }