Level, 1 wins each over 2 singles meetings since 2021. Last meeting on 06/02/2023 at Mubadala Abu Dhabi Open - Abu Dhabi.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 06/02/2023 | Mubadala Abu Dhabi Open - Abu Dhabi | Round 1 | hard | Kostyuk | 6-2 1-6 6-2 |
| 24/04/2021 | Istanbul Open - Istanbul | Semi-final | clay | Cirstea | 4-6 4-6 |
| hard | Cirstea 0 - 1 Kostyuk |
| clay | Cirstea 1 - 0 Kostyuk |
| 2023 | Cirstea 0 - 1 Kostyuk |
| 2021 | Cirstea 1 - 0 Kostyuk |
144 wins, 107 losses since 2021 (57.4%).
Last matches: D V V V D
172 wins, 108 losses since 2021 (61.4%).
Last matches: V D V V V
Level, 1 wins each over 2 singles meetings since 2021.
On 06/02/2023, at Mubadala Abu Dhabi Open - Abu Dhabi (Round 1): Marta Kostyuk won 6-2 1-6 6-2.