01/By surface
each with its own count, at equal weight
Hard
1-0
A. leads 1-0 in 1 meeting on hard
Clay
2-0
A. leads 2-0 in 2 meetings on clay
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, A. first |
|---|---|---|---|---|---|---|
| Apr 25, 2019 | Porsche Tennis Grand PrixPremier | clay | 2nd round | Kerber A. | 6-2, 6-4 | 5 v 71 |
| Mar 11, 2017 | BNP Paribas OpenPremier | hard | 2nd round | Kerber A. | 6-2, 6-1 | 2 v 79 |
| Apr 11, 2015 | Family Circle CupPremier | clay | semifinal | Kerber A. | 6-4, 6-4 | 16 v 11 |
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. Kerber A. and Petkovic A. each carry the table against every opponent faced.