01/By surface
each with its own count, at equal weight
Hard
0-2
A. leads 2-0 in 2 meetings on hard
Clay
0-1
A. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, E. first |
|---|---|---|---|---|---|---|
| Jul 30, 2025 | Canadian OpenWTA1000 | hard | 2nd round | Kalinskaya A. | 1-6, 7-6, 6-2 | 22 v 31 |
| May 12, 2023 | Internazionali BNL d'ItaliaWTA1000 | clay | 2nd round | Kalinskaya A. | 6-4, 4-6, 6-3 | 26 v 57 |
| Oct 19, 2022 | Guadalajara OpenWTA1000 | hard | 2nd round | Kalinskaya A. | 6-4, 0-6, 7-5 | 34 v 73 |
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. Mertens E. and Kalinskaya A. each carry the table against every opponent faced.