Sayaka Ishii leads 4 to 1 over 5 singles meetings since 2022. Last meeting on 14/04/2026 at W35 Miyazaki.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 14/04/2026 | W35 Miyazaki | Round 1 | hard | Ishii | 6-0 6-0 |
| 07/01/2025 | Australian Open - Melbourne | Qualifying 1 | hard | Ishii | 6-3 6-4 |
| 30/04/2024 | W100 Gifu | Round 1 | hard | Ito | 4-6 7-6(2) 1-0 |
| 02/04/2023 | W25 Kashiwa | Qualifying 1 | hard | Ishii | |
| 14/11/2022 | W60 Tokyo | Qualifying 1 | indoor hard | Ishii | 1-6 6-1 11-9 |
| hard | Ito 1 - 3 Ishii |
| indoor hard | Ito 0 - 1 Ishii |
| 2026 | Ito 0 - 1 Ishii |
| 2025 | Ito 0 - 1 Ishii |
| 2024 | Ito 1 - 0 Ishii |
| 2023 | Ito 0 - 1 Ishii |
| 2022 | Ito 0 - 1 Ishii |
171 wins, 106 losses since 2021 (61.7%).
Last matches: D D V D V
122 wins, 88 losses since 2021 (58.1%).
Last matches: D D V D V
Sayaka Ishii leads 4 to 1 over 5 singles meetings since 2022.
On 14/04/2026, at W35 Miyazaki (Round 1): Sayaka Ishii won 6-0 6-0.