By surface
| Surface | Elise Mertens | Kristie Ahn |
|---|---|---|
| Hard | 1 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2019-08-26 | WTA | US Open | Round of 16 | Hard | Elise Mertens | 6-1 | 6-1 | |||
| 2019-07-29 | WTA | San Jose | Round of 16 | Hard | Kristie Ahn | 3-6 | 3-6 |