Haruka Kaji leads 2 to 1 over 3 singles meetings since 2023. Last meeting on 31/05/2024 at W35 Changwon.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 31/05/2024 | W35 Changwon | Quarter-final | hard | Okamura | 6-1 6-4 |
| 09/09/2023 | Japan Open Tennis Championships - Osaka | Qualifying 1 | hard | Kaji | 6-4 4-6 6-2 |
| 03/05/2023 | W80 Gifu | Round 1 | hard | Kaji | 6-2 6-4 |
| hard | Okamura 1 - 2 Kaji |
| 2024 | Okamura 1 - 0 Kaji |
| 2023 | Okamura 0 - 2 Kaji |
169 wins, 163 losses since 2021 (50.9%).
Last matches: D V V D D
170 wins, 142 losses since 2021 (54.5%).
Last matches: D D V V D
Haruka Kaji leads 2 to 1 over 3 singles meetings since 2023.
On 31/05/2024, at W35 Changwon (Quarter-final): Kyoka Okamura won 6-1 6-4.