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Rira Kosaka

Country
Japan
Date of birth
2008-06-03
Ranking WTA
1481 · 4 points
Ranking WTA (doubles)
882 · 54 points
Season 2026
6–6

Recent matches

DateTournamentRoundOpponentScoreResult
2026-09-30Wagga WaggaR32Haruna Arakawa2-6 7-5 3-6lost
2026-09-29Wagga WaggaR16Remika Ohashi6-1 6-3won
2026-09-28Wagga WaggaR32Shante Lai6-2 6-1won
2026-09-22NanaoR16Sayaka Ishii3-6 1-6lost
2026-09-21NanaoR32Natsuho Arakawa3-6 6-3 6-2won
2026-03-02NonthaburiR2Ru Xi Wu6-3 6-0won
2026-03-02NonthaburiR3Renee Alame7-6 1-6 4-6lost
2026-02-23NonthaburiR1Xiaotong Wang4-6 6-1 6-1won
2026-02-23NonthaburiR2Giselle Isabella Guillen5-7 7-6 6-1won
2026-02-23NonthaburiR3Ekaterina Dotsenko2-6 6-2 5-7lost
2026-01-24Australian Open Junior ChampionshipsR1Ekaterina Tupitsyna2-6 3-6lost
2026-01-16TraralgonR1Sarah Mildren3-6 4-6lost
2025-12-08Fort LauderdaleR1Ariana Ikwueme3-6 2-6lost
2025-12-08Fort LauderdaleR1Masa Jankovic / Tea Kovacevic (with Riyo Yoshida)5-7 4-6lost
2025-12-01BradentonR1Ana Avramovic6-3 2-6 2-6lost
2025-12-01BradentonR1Ciara Harding / Xiaotong Wang (with Aoi Watanabe)4-6 6-1 11-9won
2025-12-01BradentonR2Nancy Lee / Kaya Moe (with Aoi Watanabe)7-6 6-2won
2025-12-01BradentonQFYu Jun Lin / Zhang-Qian Wei (with Aoi Watanabe)7-6 2-6 10-3won
2025-12-01BradentonSFKanon Sawashiro / Xinran Sun (with Aoi Watanabe)4-6 1-6lost
2025-11-24MeridaR1Giulia Safina Popa3-6 6-4 6-3won
2025-11-24MeridaR2Yael Saffar4-6 6-4 3-6lost
2025-11-24MeridaR1Abril Cardenas Olivares / Constanza Fernandez Rincon (with Xiaotong Wang)4-6 3-6lost
2025-11-17ZapopanR1Ligaya Murray4-6 3-6lost
2025-10-06Wanju (Closed Asia Regional Championship)R1Sa Rang Lim6-3 3-6 6-2won
2025-10-06Wanju (Closed Asia Regional Championship)R2Seohyeon kim6-2 6-4won
2025-10-06Wanju (Closed Asia Regional Championship)R3Ziyu Zhou7-5 6-2won
2025-10-06Wanju (Closed Asia Regional Championship)QFZhang-Qian Wei0-6 2-1won
2025-10-06Wanju (Closed Asia Regional Championship)SFKanon Sawashiro2-6 1-6lost
2025-09-30ChuncheonR1Sunmin AHN3-6 6-3 1-6lost
2025-09-22OsakaR1Eva Korysheva6-3 7-6won