Level, 1 wins each over 2 singles meetings since 2021. Last meeting on 11/03/2026 at W75 Kyoto.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 11/03/2026 | W75 Kyoto | Round 1 | indoor hard | Okamura | 6-4 7-6(5) |
| 05/02/2021 | W15 Sharm El Sheikh | Quarter-final | hard | Costoulas | 6-2 4-6 2-6 |
| indoor hard | Okamura 1 - 0 Costoulas |
| hard | Okamura 0 - 1 Costoulas |
| 2026 | Okamura 1 - 0 Costoulas |
| 2021 | Okamura 0 - 1 Costoulas |
159 wins, 158 losses since 2021 (50.2%).
Last matches: D V V D D
207 wins, 137 losses since 2021 (60.2%).
Last matches: D D D V V
Level, 1 wins each over 2 singles meetings since 2021.
On 11/03/2026, at W75 Kyoto (Round 1): Kyoka Okamura won 6-4 7-6(5).