Level, 1 wins each over 2 singles meetings since 2023. Last meeting on 26/09/2024 at W50 Nanao.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 26/09/2024 | W50 Nanao | Round 2 | carpet | Yamaguchi | 2-6 3-6 |
| 23/01/2023 | W40 Pune | Qualifiers | hard | Kozaki | 6-3 1-6 3-6 |
| carpet | Yamaguchi 1 - 0 Kozaki |
| hard | Yamaguchi 0 - 1 Kozaki |
| 2024 | Yamaguchi 1 - 0 Kozaki |
| 2023 | Yamaguchi 0 - 1 Kozaki |
163 wins, 132 losses since 2021 (55.3%).
Last matches: D V D D D
87 wins, 92 losses since 2021 (48.6%).
Last matches: D V D V V
Level, 1 wins each over 2 singles meetings since 2023.
On 26/09/2024, at W50 Nanao (Round 2): Mei Yamaguchi won 2-6 3-6.