Madison Keys leads 2 to 1 over 3 singles meetings since 2023. Last meeting on 07/08/2026 at National Bank Open - Toronto.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 07/08/2026 | National Bank Open - Toronto | Round 3 | hard | Kostyuk | 6-3 6-1 |
| 05/07/2024 | Wimbledon - London | Round 3 | grass | Keys | 6-4 6-3 |
| 09/07/2023 | Wimbledon - London | Round 3 | grass | Keys | 6-4 6-1 |
| hard | Keys 0 - 1 Kostyuk |
| grass | Keys 2 - 0 Kostyuk |
| 2026 | Keys 0 - 1 Kostyuk |
| 2024 | Keys 1 - 0 Kostyuk |
| 2023 | Keys 1 - 0 Kostyuk |
165 wins, 90 losses since 2021 (64.7%).
Last matches: D V V D V
172 wins, 111 losses since 2021 (60.8%).
Last matches: D D D V D
Madison Keys leads 2 to 1 over 3 singles meetings since 2023.
On 07/08/2026, at National Bank Open - Toronto (Round 3): Marta Kostyuk won 6-3 6-1.