01/By surface
each with its own count, at equal weight
Hard
1-0
E. leads 1-0 in 1 meeting on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
E. leads 1-0 in 1 meeting on grass
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, E. first |
|---|---|---|---|---|---|---|
| Aug 31, 2019 | US OpenGrand Slam | hard | 3rd round | Mertens E. | 6-3, 6-3 | 26 v 88 |
| Jun 17, 2019 | Mallorca OpenInternational | grass | 1st round | Mertens E. | 6-2, 6-2 | 21 v 71 |
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 Petkovic A. each carry the table against every opponent faced.