By surface
| Surface | Marta Kostyuk | llan Hediger |
|---|---|---|
| Hard | 0 | 3 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-31 | WTA | US Open | Round of 16 | Hard | Karolina Muchova | 3-6 | 7-60 | 3-6 | ||
| 2025-10-06 | WTA | Wuhan | Round of 64 | Hard | Karolina Muchova | 6-2 | 2-6 | 4-6 | ||
| 2025-08-25 | WTA | US Open | Round of 16 | Hard | Karolina Muchova | 3-6 | 7-60 | 3-6 |