01/By surface
each with its own count, at equal weight
Hard
1-0
E. leads 1-0 in 1 meeting on hard
Clay
1-0
E. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, E. first |
|---|---|---|---|---|---|---|
| Aug 29, 2018 | US OpenGrand Slam | hard | 2nd round | Mertens E. | 6-2, 6-0 | 15 v 72 |
| Apr 14, 2018 | Samsung OpenInternational | clay | semifinal | Mertens E. | 6-1, 4-6, 6-4 | 20 v 130 |
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 Lapko V. each carry the table against every opponent faced.