Sayaka Ishii (石井さやか, Ishii Sayaka, born 31 August 2005) is a Japanese professional tennis player. She has career-high rankings of world No. 188 in singles, achieved on 17 March 2025, and No. 298 in doubles, achieved on 17 February 2025.
![]() Ishii at the 2024 Cary Tennis Classic | |
Native name | 石井さやか |
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Country (sports) | ![]() |
Born | Tokyo, Japan | 31 August 2005
Height | 1.73 m (5 ft 8 in) |
Plays | Right-handed (two-handed backhand) |
Prize money | US $116,940 |
Singles | |
Career record | 102–57 |
Highest ranking | No. 188 (17 March 2025) |
Current ranking | No. 188 (17 March 2025) |
Grand Slam singles results | |
Australian Open | Q2 (2025) |
Doubles | |
Career record | 22–23 |
Highest ranking | No. 298 (17 February 2025) |
Current ranking | No. 341 (17 March 2025) |
Last updated on: 17 March 2025. |
Early life
editIshii was born in Shibuya, Tokyo.[1] Her father, Takuro Ishii, is a former professional baseball player, and her mother, Shiori Arase , is a former Fuji Television announcer.[2] She trained at the IMG Academy in Bradenton, Florida.[3]
Junior career
editIn 2022, she reached the final of the Osaka Mayor's Cup, but lost to compatriot Sara Saito.[4]
Professional career
editIn July 2024, she and compatriot Naho Sato won the doubles title at the Figueira da Foz International Ladies Open.[5] The following month, she made her WTA Tour debut after qualifying for Tennis in the Land, but lost to third seed Kateřina Siniaková in three sets.[6][7] In October 2024, she qualified for her second main draw at the Toray Pan Pacific Open with a defeat over top qualifying seed Clara Tauson. She then recorded her first WTA Tour wins over compatriot and lucky loser Sara Saito[8][9][10] and qualifier Zeynep Sönmez to reach her first WTA 500-level quarterfinal.[11][12][13][14] Ishii withdrew with an abdominal injury before her last eight match with sixth seed Diana Shnaider.[15][16][17] As a result, she reached a career-high ranking of No. 203 on 28 October 2024.[18]
In March 2025, she received a wildcard into the main draw of the Miami Open, but lost in the first round to Emma Raducanu.[19][20]
Performance timelines
editW | F | SF | QF | #R | RR | Q# | P# | DNQ | A | Z# | PO | G | S | B | NMS | NTI | P | NH |
Only main-draw results in WTA Tour, Grand Slam tournaments, Billie Jean King Cup, United Cup, Hopman Cup and Olympic Games are included in win–loss records.
Singles
editCurrent through the 2025 Miami Open.
Tournament | 2025 | SR | W–L | Win% |
---|---|---|---|---|
Grand Slam tournaments | ||||
Australian Open | Q2 | 0 / 0 | 0–0 | – |
French Open | 0 / 0 | 0–0 | – | |
Wimbledon | 0 / 0 | 0–0 | – | |
US Open | 0 / 0 | 0–0 | – | |
Win–loss | 0–0 | 0 / 0 | 0–0 | – |
WTA 1000 tournaments | ||||
Miami Open | 1R | 0 / 1 | 0–1 | 0% |
Win–loss | 0–1 | 0 / 1 | 0–1 | 0% |
ITF Circuit finals
editSingles: 3 (1 title, 2 runner–ups)
edit
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Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
---|---|---|---|---|---|---|---|
Loss | 0–1 | Jun 2022 | ITF Monastir, Tunisia | W15 | Hard | Francesca Curmi | 2–6, 6–4, 5–7 |
Loss | 0–2 | Oct 2023 | ITF Redding, US | W25 | Hard | Iva Jovic | 4–6, 2–6 |
Win | 1–2 | Apr 2024 | ITF Osaka, Japan | W35 | Hard | Stacey Fung | 6–1, 3–6, 6–3 |
Doubles: 2 (1 title, 1 runner-up)
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Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
---|---|---|---|---|---|---|---|---|
Loss | 0–1 | Feb 2024 | ITF Traralgon, Australia | W35 | Hard | Lanlana Tararudee | Mana Kawamura Liu Fangzhou |
7–6(4), 3–6, [11–13] |
Win | 1–1 | Jul 2024 | Figueira da Foz Open, Portugal | W100 | Hard | Naho Sato | Madeleine Brooks Sarah Beth Grey |
7–6(1), 7–5 |
References
edit- ^ Uchida, Akatsuki (21 May 2024). "石井琢朗&プロテニスプレーヤー石井さやか・父娘対談《前編》「男の子だったら間違いなく野球選手になったんじゃないかな」". Sportiva (in Japanese). Retrieved 29 July 2024 – via Yahoo Japan.
- ^ 深戸, 進路 (4 March 2024). "名球会レジェンド選手の娘、「父と私」ショット公開で驚きの声 世界で戦うプロアスリートに成長「ご立派になられて……」". ねとらぼ (in Japanese). Retrieved 19 March 2025.
- ^ 七緒, 金光 (7 May 2023). "夢はグランドスラム優勝! テニスプレイヤー石井さやか選手 - 渋谷新聞". 渋谷新聞 (in Japanese). Retrieved 29 July 2024.
- ^ McLean, Ross (17 October 2022). "Osaka Mayor's Cup: key learnings from the latest junior Grade A event". International Tennis Federation. Retrieved 29 July 2024.
- ^ Ribeiro Lança, Gaspar (27 July 2024). "Sayaka Ishii e Naho Sato celebram lado a lado pela primeira vez na Figueira da Foz". Raquetc (in Portuguese). Retrieved 29 July 2024.
- ^ Smoliński, Rafał (18 August 2024). "Kolejny turniej w stanie Ohio. Trudne zadanie obrończyni tytułu". Sportowe Fakty (in Polish). Retrieved 19 August 2024.
- ^ "Siniakova saves three match points, escapes teenage qualifier Ishii". Women's Tennis Association. 21 August 2024. Retrieved 21 October 2024.
- ^ "MATCH POINT: World No. 279 Sayaka Ishii demolishes No. 158 Sara Saito in Tokyo first round". Tennis.com. 22 October 2024. Retrieved 23 October 2024.
- ^ "Teenage qualifier Ishii earns first career tour-level win in Tokyo". Women's Tennis Association. 22 October 2024. Retrieved 23 October 2024.
- ^ "Tokyo: Ishii books spot in second round". Tennis Majors. 22 October 2024. Retrieved 22 October 2024.
- ^ "Japanese qualifier Ishii, 19, battles past Sonmez into Tokyo quarters". Women's Tennis Association. 23 October 2024. Retrieved 23 October 2024.
- ^ "Andreescu advances to Tokyo quarters as Haddad Maia retires due to injury". Women's Tennis Association. 23 October 2024. Retrieved 23 October 2024.
- ^ "Tokyo Open: Ishii knocks out Saito". Tennis Majors. 22 October 2024. Retrieved 23 October 2024.
- ^ Coskrey, Jason (23 October 2024). "Leylah Fernandez into quarters in Tokyo as teen Sayaka Ishii continues impressive run". The Japan Times. Retrieved 23 October 2024.
- ^ "WTA roundup: Sofia Kenin upsets Daria Kasatkina in Tokyo". Reuters. 25 October 2024. Retrieved 25 October 2024.
- ^ "Tokyo Open: Shnaider reaches last four". Tennis Majors. 25 October 2024. Retrieved 25 October 2024.
- ^ Nakamoto, Morichika (25 October 2024). "Tennis: Japanese teen Ishii withdraws from Pan Pacific Open q'finals". Kyodo News. Retrieved 27 October 2024.
- ^ Macpherson, Alex (28 October 2024). "Rankings Watch: Kenin, Danilovic surge; four new career highs in Top 20". Women's Tennis Association. Retrieved 7 January 2025.
- ^ Carayol, Tumaini (19 March 2025). "'Focused' Emma Raducanu swats aside Sayaka Ishii to open Miami campaign". The Guardian. Retrieved 19 March 2025.
- ^ Flood, George (19 March 2025). "Raducanu eases into Miami Open second round without Platenik". Evening Standard. Retrieved 19 March 2025.