01/By surface
each with its own count, at equal weight
Hard
1-2
G. leads 2-1 in 3 meetings on hard
Clay
Never on clay
no meeting on this surface
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 |
|---|---|---|---|---|---|---|
| Jan 17, 2023 | Australian OpenGrand Slam | hard | 1st round | Mertens E. | 3-6, 7-6, 6-1 | 32 v 73 |
| Mar 12, 2021 | Dubai Duty Free Tennis ChampionshipsWTA500 | hard | semifinal | Muguruza G. | 6-4, 7-6 | 18 v 16 |
| Aug 29, 2016 | US OpenGrand Slam | hard | 1st round | Muguruza G. | 2-6, 6-0, 6-3 | 137 v 3 |
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 Muguruza G. each carry the table against every opponent faced.