Level, 1 wins each over 2 singles meetings since 2022. Last meeting on 31/05/2023 at W25 Tokyo.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 31/05/2023 | W25 Tokyo | Round 1 | hard | Saigo | 6-4 6-1 |
| 14/11/2022 | W60 Tokyo | Qualifying 1 | indoor hard | Koshiishi | 6-3 6-2 |
| hard | Saigo 1 - 0 Koshiishi |
| indoor hard | Saigo 0 - 1 Koshiishi |
| 2023 | Saigo 1 - 0 Koshiishi |
| 2022 | Saigo 0 - 1 Koshiishi |
51 wins, 84 losses since 2021 (37.8%).
Last matches: D V D V D
181 wins, 97 losses since 2021 (65.1%).
Last matches: D V D V V
Level, 1 wins each over 2 singles meetings since 2022.
On 31/05/2023, at W25 Tokyo (Round 1): Yukina Saigo won 6-4 6-1.