Haruka Kaji leads 3 to 0 over 3 singles meetings since 2023. Last meeting on 17/06/2026 at W35 Taipei.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 17/06/2026 | W35 Taipei | Round 1 | hard | Kaji | 3-6 6-6 |
| 09/04/2026 | W35 Osaka | Round 2 | hard | Kaji | 6-7(6) 6-3 6-3 |
| 12/10/2023 | W25 Hamamatsu | Round 2 | carpet | Kaji | 6-4 6-2 |
| hard | Kaji 2 - 0 Sato |
| carpet | Kaji 1 - 0 Sato |
| 2026 | Kaji 2 - 0 Sato |
| 2023 | Kaji 1 - 0 Sato |
170 wins, 142 losses since 2021 (54.5%).
Last matches: D D V V D
140 wins, 90 losses since 2021 (60.9%).
Last matches: V D V V V
Haruka Kaji leads 3 to 0 over 3 singles meetings since 2023.
On 17/06/2026, at W35 Taipei (Round 1): Haruka Kaji won 3-6 6-6.