01/By surface
each with its own count, at equal weight
Hard
3-2
M. leads 3-2 in 5 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
M. leads 1-0 in 1 meeting on grass
02/Every meeting
6 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, M. first |
|---|---|---|---|---|---|---|
| Mar 10, 2025 | BNP Paribas OpenWTA1000 | hard | 3rd round | Keys M. | 6-2, 6-7, 6-4 | 5 v 28 |
| Aug 31, 2024 | US OpenGrand Slam | hard | 3rd round | Mertens E. | 6-7, 7-5, 6-4 | 14 v 35 |
| Aug 16, 2023 | Western & Southern Financial Group Women's OpenWTA1000 | hard | 1st round | Mertens E. | 6-3, 3-6, 6-3 | 15 v 29 |
| Jul 2, 2021 | WimbledonGrand Slam | grass | 3rd round | Keys M. | 7-5, 6-3 | 27 v 16 |
| Jan 19, 2019 | Australian OpenGrand Slam | hard | 3rd round | Keys M. | 6-3, 6-2 | 17 v 14 |
| Aug 30, 2017 | US OpenGrand Slam | hard | 1st round | Keys M. | 6-3, 7-6 | 16 v 39 |
A record, never a share of meetings. Main-draw singles since 2013; a meeting ended by retirement is counted with the sets that were played and marked; a walkover is listed and counted in neither column. Keys M. and Mertens E. each carry the table against every opponent faced.