Sayaka Ishii leads 2 to 1 over 3 singles meetings since 2025. Last meeting on 17/09/2026 at W35 Kyoto.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 17/09/2026 | W35 Kyoto | Round 2 | indoor hard | Ishii | |
| 05/08/2026 | W35 Roehampton | Round 1 | hard | Rajecki | 5-7 3-5 |
| 24/02/2025 | W75 Trnava | Qualifying 1 | indoor hard | Ishii | 7-6 5-4 |
| indoor hard | Rajecki 0 - 2 Ishii |
| hard | Rajecki 1 - 0 Ishii |
| 2026 | Rajecki 1 - 1 Ishii |
| 2025 | Rajecki 0 - 1 Ishii |
94 wins, 72 losses since 2021 (56.6%).
Last matches: D V D V V
124 wins, 88 losses since 2021 (58.5%).
Last matches: V V D D V
Sayaka Ishii leads 2 to 1 over 3 singles meetings since 2025.
On 17/09/2026, at W35 Kyoto (Round 2): Sayaka Ishii won.