Level, 1 wins each over 2 singles meetings since 2022. Last meeting on 30/09/2022 at W25 Nanao.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 30/09/2022 | W25 Nanao | Quarter-final | carpet | Kaji | 1-6 6-1 2-6 |
| 06/04/2022 | W25 Chiang Rai | Round 1 | hard | Muramatsu | 4-6 3-6 |
| carpet | Muramatsu 0 - 1 Kaji |
| hard | Muramatsu 1 - 0 Kaji |
| 2022 | Muramatsu 1 - 1 Kaji |
113 wins, 118 losses since 2021 (48.9%).
Last matches: D D V V D
168 wins, 139 losses since 2021 (54.7%).
Last matches: D D V D V
Level, 1 wins each over 2 singles meetings since 2022.
On 30/09/2022, at W25 Nanao (Quarter-final): Haruka Kaji won 1-6 6-1 2-6.