_01.jpg) Ishii at the 2024 Cary Tennis Classic | |
| Native name | 石井さやか |
|---|---|
| Country (sports) |  Japan |
| Born | 31 August 2005 Tokyo, Japan |
| Height | 1.73 m (5 ft 8 in) |
| Plays | Right-handed (two-handed backhand) |
| Prize money | US$ 49,662 |
| Singles | |
| Career record | 85–47 |
| Highest ranking | No. 266 (9 September 2024) |
| Current ranking | No. 266 (9 September 2024) |
| Doubles | |
| Career record | 17–19 |
| Highest ranking | No. 419 (26 August 2024) |
| Current ranking | No. 420 (9 September 2024) |
| Last updated on: 9 September 2024. | |
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 266 in singles, achieved on 9 September 2024, and 419 in doubles, achieved on 26 August 2024.