is a Japanese tennis player. She has a career-high singles ranking of 159 WTA, achieved on 16 December 2024. On 20 April 2026, she peaked at No. 215 in the WTA doubles rankings.
Career 2023: Juniors She has a career-high combined junior ranking of 2, achieved on 29 May 2023. She had a disappointing performance in the singles draw of the 2023 Australian Open, losing in the first round to Australian wildcard Stefani Webb. She reached the final of the doubles with fellow Japanese Hayu Kinoshita, losing to Renáta Jamrichová and Federica Urgesi. She was top seeded in the girls' singles tournament at the 2023 French Open, after winning two titles in South America.
2024: First quarterfinal on WTA Tour debut Saito made her WTA Tour main-draw debut as a wildcard at the 2024 Japan Women's Open, defeating Jéssica Bouzas Maneiro and fifth seed Elina Avanesyan to reach her first WTA Tour quarterfinal. Her run was ended in straight sets by Kimberly Birrell. She entered the WTA 500 Pan Pacific Open as a lucky loser, making her debut at this level but lost to qualifier and compatriot Sayaka Ishii.
ITF Circuit finals
Singles: 7 (4 titles, 3 runner-ups) LegendW100 tournaments (1–0)W75 tournaments (0–2)W50 tournaments (1–1)W25/35 tournaments (2–0)Finals by surfaceHard (1–3)Clay (1–0)Carpet (2–0)
ResultW–LDateTournamentTierSurfaceOpponentScoreWin 1–0 Oct 2023ITF Makinohara, JapanW25 Carpet Thasaporn Naklo 6–4, 6–3Loss 1–1 Jan 2024ITF Nonthaburi, Thailand W50 Hard Antonia Ružić 1–6, 3–6Loss 1–2 Jan 2024Burnie International, AustraliaW75 Hard Priscilla Hon 3–6, 0–6Win 2–2 Jun 2024Open de Biarritz, FranceW100 Clay Margaux Rouvroy 5–7, 6–3, 6–3Win 3–2 Mar 2025All Japan Indoor ChampionshipsW50 Hard (i) Himeno Sakatsume 6–4, 7–6(2)Win 4–2 Oct 2025ITF Makinohara, JapanW35 Carpet Back Da-yeon 6–1, 6–2Loss 4–3 Jul 2026Championnats de Granby, CanadaW75 Hard Kayla Cross 5–7, 1–6
Doubles: 3 (2 titles, 1 runner-up) LegendW75 tournaments (1–1)W25/35 tournaments (1–0)Finals by surfaceHard (1–1)Carpet (1–0) Result W–L Date Tournament Tier Surface Partner Opponents ScoreWin 1–0 Oct 2025ITF Makinohara, JapanW35 Carpet Ayano Shimizu Chen Mengyi Tiana Tian Deng 6–2, 6–4Win 2–0 Feb 2026Queensland International, AustraliaW75 Hard Natsumi Kawaguchi Gabriella Da Silva-Fick Tenika McGiffin 6–2, 6–4Loss 2–1 Mar 2026All Japan Indoor ChampionshipsW75 Hard (i) Hayu Kinoshita Sofia Costoulas Sofya Lansere 2–6, 4–6
Junior Grand Slam tournament finals
Doubles: 3 (3 runner-ups) ResultYearTournamentSurfacePartnerOpponents ScoreLoss2023Australian OpenHard Hayu Kinoshita Renáta Jamrichová Federica Urgesi6–7(5–7), 6–1, [7–10]Loss2023French OpenClay Alina Korneeva Tyra Caterina Grant Clervie Ngounoue3–6, 2–6Loss2023US OpenHard Nanaka Sato Anastasiia Gureva Mara Gae6–1, 5–7, [8–10]
References
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