By surface
| Surface | Marta Kostyuk | Mark Smith |
|---|---|---|
| Hard | 0 | 3 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023-02-20 | WTA | Dubai | Round of 32 | Hard | Belinda Bencic | 7-67 | 6-75 | 4-6 | ||
| 2023-02-06 | WTA | Abu Dhabi | Round of 16 | Hard | Belinda Bencic | 4-6 | 5-7 | |||
| 2022-03-21 | WTA | Miami | Round of 64 | Hard | Belinda Bencic | 3-6 | 1-6 |