Name: Sayaka Ishii
Country: Japan
Birthdate: 31.08.05, 19 years
WTA ranking: 215
TOP ranking's position: 188 (17.03.25, 37100 points)
Points: 337
Prize money: 79.119 $
Matches total: 185
Win: 115
%: 62.16 %
Country: Japan
Birthdate: 31.08.05, 19 years
WTA ranking: 215
TOP ranking's position: 188 (17.03.25, 37100 points)
Points: 337
Prize money: 79.119 $
Matches total: 185
Win: 115
%: 62.16 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2025 | 11/10 | 6/8 | 0/0 | 5/2 | 0/0 | 0/0 | 0/0 |
| 2024 | 48/25 | 44/23 | 4/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2023 | 41/24 | 26/13 | 11/8 | 1/2 | 0/0 | 3/1 | 0/0 |
| 2022 | 15/11 | 5/4 | 6/3 | 3/1 | 0/1 | 1/2 | 0/0 |
| TOTAL | 115/70 | 81/48 | 21/13 | 9/5 | 0/1 | 4/3 | 0/0 |
| perc. % | 62.16 % | 62.79 % | 61.76 % | 64.29 % | 0 % | 57.14 % | 0 % |
Sayaka Ishii / Fixtures
| 23.04.25 06:47 | 1st round | Lin Zhu  | Sayaka Ishii | 6-4, 7-64 | match details |  W100 Tokyo | Hard |
Sayaka Ishii form
Sayaka Ishii / Latest Scores
| 23.04.25 | 1st round | Lin Zhu | Sayaka Ishii | 6-4, 7-64 |  | match details | W100 Tokyo | Hard |
| 10.04.25 | 2nd round | Janice Tjen | Sayaka Ishii | 6-0, 6-3 | | match details | W35 Osaka | Hard |
| 09.04.25 | 1st round | Sayaka Ishii | Rina Saigo | 6-0, 7-5 |  | match details | ||
| 26.03.25 | 2nd round | Wakana Sonobe | Sayaka Ishii | 6-1, 6-4 | | match details |  W50 Santo | Hard |
| 19.03.25 | 1st round | Emma Raducanu | Sayaka Ishii | 6-2, 6-1 | | match details |  Miami | Hard |
| 08.03.25 | 1/2 | Valentina Ryser | Sayaka Ishii | 6-3, 7-5 | | match details |  W75 Trnava | I. hard |
| 07.03.25 | 1/4 | Sayaka Ishii | Renata Jamrichova | 6-3, 6-4 | | match details | ||
| 06.03.25 | 2nd round | Sayaka Ishii | Camilla Rosatello | 6-3, 6-4 | | match details | ||
| 04.03.25 | 1st round | Sayaka Ishii | Jana Fett | 3-6, 6-4, 6-4 | | match details | ||
| 26.02.25 | 1st round | Ella Seidel | Sayaka Ishii | 6-2, 7-65 | | match details | W75 Trnava | I. hard |
| 25.02.25 | qual. | Sayaka Ishii | Himeno Sakatsume | 6-4, 4-6, 6-2 | | match details | ||
| 24.02.25 | q 1 | Sayaka Ishii | Amelia Rajecki | 7-66, 6-4 | | match details | ||
| 07.02.25 | 1/4 | Maddison Inglis | Sayaka Ishii | 6-4, 7-5 | | match details |  W75 Brisbane | Hard |
| 06.02.25 | 2nd round | Sayaka Ishii | Hanyu Guo | 6-710, 7-5, 6-4 | | match details | ||
| 05.02.25 | 1st round | Sayaka Ishii | Lea Ma | 2-6, 6-4, 6-3 | | match details | ||
| 30.01.25 | 2nd round | Astra Sharma | Sayaka Ishii | 6-4, 6-2 | | match details | W75 Brisbane | Hard |
| 29.01.25 | 1st round | Sayaka Ishii | Himeno Sakatsume | 7-65, 6-0 | | match details | ||
| 08.01.25 | q 2 | Sachia Vickery | Sayaka Ishii | 7-62, 6-4 | | match details | Melbourne | Hard |
| 07.01.25 | q 1 | Sayaka Ishii | Aoi Ito | 6-3, 6-4 | | match details | ||
| 30.12.24 | qual. | Oksana Selekhmeteva | Sayaka Ishii | 6-72, 6-3, 6-3 | | match details | Canberra | Hard |
| 29.12.24 | q 1 | Sayaka Ishii | Dalila Jakupovic | 6-4, 6-3 | | match details | ||
| 28.11.24 | 1/4 | En Shuo Liang | Sayaka Ishii | 6-4, 6-4 | | match details | W50 Yokohama | Hard |
| 27.11.24 | 2nd round | Sayaka Ishii | Saki Imamura | 6-1, 6-0 | | match details | ||
| 26.11.24 | 1st round | Sayaka Ishii | Priska Madelyn Nugroho | 2-6, 7-5, 6-4 | | match details | ||
| 25.10.24 | 1/4 | Diana Shnaider | Sayaka Ishii | Sayaka Ishii - walk over | | match details | Tokyo | Hard |
| 23.10.24 | 2nd round | Sayaka Ishii | Zeynep Sonmez | 4-6, 6-2, 6-3 | | match details | ||
| 22.10.24 | 1st round | Sayaka Ishii | Sara Saito | 6-1, 6-1 | | match details | ||
| 20.10.24 | qual. | Sayaka Ishii | Clara Tauson | 1-6, 7-5, 7-5 | | match details | ||
| 19.10.24 | q 1 | Sayaka Ishii | Sae Noguchi | 6-2, 6-2 | | match details | ||
| 12.10.24 | q 1 | Kimberly Birrell | Sayaka Ishii | 6-2, 3-6, 6-3 | | match details | Osaka | Hard |
| 18.09.24 | 1st round | Petra Hule | Sayaka Ishii | 6-3, 4-6, 7-66 | | match details | W75 Perth | Hard |
| 12.09.24 | 2nd round | Petra Hule | Sayaka Ishii | 7-62, 6-4 | | match details | W75 Perth | Hard |
| 10.09.24 | 1st round | Sayaka Ishii | Sakura Hosogi | 3-6, 7-5, 7-5 | | match details | ||
| 05.09.24 | 2nd round | Hina Inoue | Sayaka Ishii | 6-4, 6-1 | | match details |  W100 Incheon | Hard |
| 04.09.24 | 1st round | Sayaka Ishii | Hanna Chang | 3-6, 6-1, 6-1 | | match details | ||
| 20.08.24 | 1st round | Katerina Siniakova | Sayaka Ishii | 6-75, 6-3, 7-65 | | match details | Cleveland | Hard |
| 18.08.24 | qual. | Sayaka Ishii | Elvina Kalieva | 7-5, 6-1 | | match details | ||
| 17.08.24 | q 1 | Sayaka Ishii | Saisai Zheng | 6-3, 6-4 | | match details | ||
| 12.08.24 | qual. | Lucrezia Stefanini | Sayaka Ishii | 5-7, 7-69, 1-1, Sayaka Ishii - retired | | match details | W100 Cary | Hard |
| 11.08.24 | q 1 | Sayaka Ishii | Maya Joint | 6-3, 4-6, 6-1 | | match details | ||
| 08.08.24 | 1st round | Mccartney Kessler | Sayaka Ishii | 6-2, 6-3 | | match details | W100 Landisville | Hard |
| 07.08.24 | qual. | Sayaka Ishii | Simona Waltert | 6-4, 6-2 | | match details | ||
| 05.08.24 | q 1 | Sayaka Ishii | Ayana Akli | 7-64, 6-3 | | match details | ||
| 23.07.24 | 1st round | Gabriela Andrea Knutson | Sayaka Ishii | 6-4, 6-2 | | match details |  W100 Figueira | Hard |
| 22.07.24 | qual. | Sayaka Ishii | Olga Helmi | 6-3, 6-2 | | match details | ||
| 19.07.24 | 1/4 | Heather Watson | Sayaka Ishii | 6-3, 6-1 | | match details |  W50 Nottingham | Hard |
| 18.07.24 | 2nd round | Sayaka Ishii | Alice Gillan | 6-4, 6-0 | | match details | ||
| 16.07.24 | 1st round | Sayaka Ishii | Abigail Amos | 6-2, 6-0 | | match details | ||
| 12.07.24 | 1/4 | Valeria Savinykh | Sayaka Ishii | 6-1, 6-4 | | match details | W50 Corroios | Hard |
| 11.07.24 | 2nd round | Sayaka Ishii | Anastasia Zakharova | 7-68, 6-2 | | match details |
