By surface
| Surface | Marta Kostyuk | Katherine Sebov |
|---|---|---|
| Hard | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-01 | WTA | Toronto | Round of 64 | Hard | Marta Kostyuk | 7-64 | 6-0 | |||
| 2021-08-23 | WTA | Chicago 1 | Round of 32 | Hard | Marta Kostyuk | 6-0 | 6-3 |