Level, 1 wins each over 2 singles meetings since 2024. Last meeting on 21/03/2025 at W50 Kofu.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 21/03/2025 | W50 Kofu | Quarter-final | hard | Yamazaki | 4-6 6-7(1) |
| 26/09/2024 | W50 Nanao | Round 2 | carpet | Okamura | 6-3 6-4 |
| hard | Okamura 0 - 1 Yamazaki |
| carpet | Okamura 1 - 0 Yamazaki |
| 2025 | Okamura 0 - 1 Yamazaki |
| 2024 | Okamura 1 - 0 Yamazaki |
157 wins, 156 losses since 2021 (50.2%).
Last matches: D D D D D
131 wins, 93 losses since 2021 (58.5%).
Last matches: D D V D V
Level, 1 wins each over 2 singles meetings since 2024.
On 21/03/2025, at W50 Kofu (Quarter-final): Ikumi Yamazaki won 4-6 6-7(1).