Marta Kostyuk leads 2 to 0 over 2 singles meetings since 2025. Last meeting on 27/08/2025 at U.S. Open - New York.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 27/08/2025 | U.S. Open - New York | Round 2 | hard | Kostyuk | 5-7 7-6(5) 3-5 |
| 09/02/2025 | Qatar TotalEnergies Open - Doha | Round 1 | hard | Kostyuk | 6-3 6-3 |
| hard | Kostyuk 2 - 0 Sonmez |
| 2025 | Kostyuk 2 - 0 Sonmez |
172 wins, 108 losses since 2021 (61.4%).
Last matches: V D V V V
195 wins, 134 losses since 2021 (59.3%).
Last matches: D D D V D
Marta Kostyuk leads 2 to 0 over 2 singles meetings since 2025.
On 27/08/2025, at U.S. Open - New York (Round 2): Marta Kostyuk won 5-7 7-6(5) 3-5.