01/By surface
each with its own count, at equal weight
Hard
2-1
C. leads 2-1 in 3 meetings on hard
Clay
0-1
E. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, C. first |
|---|---|---|---|---|---|---|
| Aug 10, 2022 | Canadian OpenWTA1000 | hard | 2nd round | Giorgi C. | 6-3, 7-5 | 29 v 37 |
| Aug 10, 2021 | Canadian OpenWTA1000 | hard | 1st round | Giorgi C. | 6-3, 7-5 | 71 v 16 |
| Aug 12, 2020 | J&T Banka Prague OpenInternational | clay | 2nd round | Mertens E. | 6-4, 6-2 | 71 v 23 |
| Sep 21, 2019 | Toray Pan Pacific Open Tennis TournamentPremier | hard | quarterfinal | Mertens E. | 6-4, 6-3 | 54 v 24 |
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. Giorgi C. and Mertens E. each carry the table against every opponent faced.