M. Kostyuk leads the head-to-head 2-0 since 2018 against A. Blinkova, over 2 matches.
| Surface | A. Blinkova | M. Kostyuk |
|---|---|---|
| Grass | 0 | 1 |
| Hard | 0 | 1 |
| Date | Winner | Score | Event |
|---|---|---|---|
| July 2, 2026 | M. Kostyuk | 2 - 1 | Wimbledon · 1/32-finals · grass |
| March 23, 2025 | M. Kostyuk | 2 - 0 | Miami · 1/16-finals · hard |