By surface
| Surface | Marta Kostyuk | Connor Smillie |
|---|---|---|
| Hard | 1 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-11 | WTA | Cincinnati | Round of 64 | Hard | Marta Kostyuk | 4-6 | 6-3 | 7-5 | ||
| 2025-02-17 | WTA | Dubai | Round of 32 | Hard | Sofia Kenin | 7-5 | 6-77 | 6-75 |