Level, 1 wins each over 2 singles meetings since 2025. Last meeting on 21/04/2026 at W100 Tokyo.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 21/04/2026 | W100 Tokyo | Qualifiers | hard | Kaji | 5-7 7-6(3) 7-5 |
| 26/10/2025 | Hong Kong Tennis Open - Hong Kong | Qualifiers | hard | Sidorova | 1-6 2-6 |
| hard | Kaji 1 - 1 Sidorova |
| 2026 | Kaji 1 - 0 Sidorova |
| 2025 | Kaji 0 - 1 Sidorova |
168 wins, 139 losses since 2021 (54.7%).
Last matches: D D V D V
108 wins, 70 losses since 2021 (60.7%).
Last matches: V V V V V
Level, 1 wins each over 2 singles meetings since 2025.
On 21/04/2026, at W100 Tokyo (Qualifiers): Haruka Kaji won 5-7 7-6(3) 7-5.