01/By surface
each with its own count, at equal weight
Hard
1-1
Level 1-1 in 2 meetings on hard
Clay
0-2
M. leads 2-0 in 2 meetings on clay
Grass
1-0
E. leads 1-0 in 1 meeting on grass
02/Every meeting
5 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, E. first |
|---|---|---|---|---|---|---|
| Jun 12, 2025 | Rosmalen Grass Court ChampionshipsWTA250 | grass | 2nd round | Mertens E. | 6-3, 6-0 | 25 v 85 |
| Feb 10, 2022 | Ladies TrophyWTA500 | hard | quarterfinal | Sakkari M. | 7-6, 6-2 | 26 v 7 |
| Jun 5, 2021 | French OpenGrand Slam | clay | 3rd round | Sakkari M. | 7-5, 6-7, 6-2 | 15 v 18 |
| Oct 23, 2019 | WTA Elite TrophyTour Championships | hard | round robin | Mertens E. | 6-2, 3-6, 6-1 | 18 v 22 |
| May 2, 2019 | Grand Prix SAR Lalla MeryemInternational | clay | quarterfinal | Sakkari M. | 6-4, 7-6 | 18 v 51 |
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 Sakkari M. each carry the table against every opponent faced.