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 | 6-1 6-2 |
| hard | Kaji 1 - 1 Sidorova |
| 2026 | Kaji 1 - 0 Sidorova |
| 2025 | Kaji 0 - 1 Sidorova |
170 wins, 142 losses since 2021 (54.5%).
Last matches: D D V V D
110 wins, 74 losses since 2021 (59.8%).
Last matches: D D D D 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.