Oleksandra Oliynykova leads 2 to 1 over 3 singles meetings since 2025. Last meeting on 10/09/2025 at Zavarovalnica Sava - Ljubljana.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 10/09/2025 | Zavarovalnica Sava - Ljubljana | Round 2 | clay | Oliynykova | 6-7(4) 0-6 |
| 03/09/2025 | Montreux Nestle Open - Montreux | Round 2 | clay | Oliynykova | 2-6 3-5 |
| 04/08/2025 | W75 Amstetten | Round 1 | clay | Kostovic | 7-5 3-6 6-3 |
| clay | Oliynykova 2 - 1 Kostovic |
| 2025 | Oliynykova 2 - 1 Kostovic |
201 wins, 92 losses since 2021 (68.6%).
Last matches: D V D V D
92 wins, 51 losses since 2021 (64.3%).
Last matches: D D V V V
Oleksandra Oliynykova leads 2 to 1 over 3 singles meetings since 2025.
On 10/09/2025, at Zavarovalnica Sava - Ljubljana (Round 2): Oleksandra Oliynykova won 6-7(4) 0-6.