Haruka Kaji leads 2 to 1 over 3 singles meetings since 2023. Last meeting on 18/03/2026 at W75 Kofu.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 18/03/2026 | W75 Kofu | Round 1 | hard | Kaji | 3-6 6-3 7-5 |
| 23/03/2025 | W50 Kofu | Final | hard | Kaji | 7-6(2) 6-3 |
| 05/05/2023 | W80 Gifu | Quarter-final | hard | Sakatsume | 2-6 6-1 6-1 |
| hard | Kaji 2 - 1 Sakatsume |
| 2026 | Kaji 1 - 0 Sakatsume |
| 2025 | Kaji 1 - 0 Sakatsume |
| 2023 | Kaji 0 - 1 Sakatsume |
170 wins, 142 losses since 2021 (54.5%).
Last matches: D D V V D
199 wins, 131 losses since 2021 (60.3%).
Last matches: V D V V D
Haruka Kaji leads 2 to 1 over 3 singles meetings since 2023.
On 18/03/2026, at W75 Kofu (Round 1): Haruka Kaji won 3-6 6-3 7-5.