Level, 2 wins each over 4 singles meetings since 2022. Last meeting on 25/10/2025 at Hong Kong Tennis Open - Hong Kong.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 25/10/2025 | Hong Kong Tennis Open - Hong Kong | Qualifying 1 | hard | Kobori | 6-2 4-3 |
| 20/09/2024 | W35 Kyoto | Quarter-final | indoor hard | Kobori | 6-2 6-7(8) 6-1 |
| 12/10/2022 | W25 Hamamatsu | Round 1 | carpet | Yamazaki | 1-6 7-5 6-3 |
| 29/06/2022 | W25 Gurugram | Round 1 | hard | Yamazaki | 3-6 2-6 |
| hard | Kobori 1 - 1 Yamazaki |
| indoor hard | Kobori 1 - 0 Yamazaki |
| carpet | Kobori 0 - 1 Yamazaki |
| 2025 | Kobori 1 - 0 Yamazaki |
| 2024 | Kobori 1 - 0 Yamazaki |
| 2022 | Kobori 0 - 2 Yamazaki |
120 wins, 101 losses since 2021 (54.3%).
Last matches: D V D V D
131 wins, 93 losses since 2021 (58.5%).
Last matches: D D V D V
Level, 2 wins each over 4 singles meetings since 2022.
On 25/10/2025, at Hong Kong Tennis Open - Hong Kong (Qualifying 1): Momoko Kobori won 6-2 4-3.