Level, 1 wins each over 2 singles meetings since 2025. Last meeting on 30/06/2026 at W100 Cary.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 30/06/2026 | W100 Cary | Round 1 | hard | Yamaguchi | 2-6 6-6 |
| 11/04/2025 | W35 Boca Raton | Quarter-final | clay | Osuigwe | 6-4 4-6 3-6 |
| hard | Osuigwe 0 - 1 Yamaguchi |
| clay | Osuigwe 1 - 0 Yamaguchi |
| 2026 | Osuigwe 0 - 1 Yamaguchi |
| 2025 | Osuigwe 1 - 0 Yamaguchi |
145 wins, 148 losses since 2021 (49.5%).
Last matches: V V D D D
163 wins, 133 losses since 2021 (55.1%).
Last matches: D D V D D
Level, 1 wins each over 2 singles meetings since 2025.
On 30/06/2026, at W100 Cary (Round 1): Mei Yamaguchi won 2-6 6-6.