01/By surface
each with its own count, at equal weight
Hard
2-1
S. leads 2-1 in 3 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
S. leads 1-0 in 1 meeting on grass
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, S. first |
|---|---|---|---|---|---|---|
| Aug 1, 2018 | Citi OpenInternational | hard | 2nd round | Petkovic A. | 2-6, 6-4, 6-2 | 3 v 91 |
| Aug 12, 2014 | Western & Southern Financial Group Women's OpenPremier | hard | 1st round | Stephens S. | 6-3, 6-3 | 21 v 19 |
| Oct 10, 2013 | Generali Ladies LinzInternational | hard | 2nd round | Stephens S. | 7-6, 4-6, 6-3 | 12 v 40 |
| Jun 26, 2013 | WimbledonGrand Slam | grass | 2nd round | Stephens S. | 7-6, 2-6, 8-6 | 17 v 76 |
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. Stephens S. and Petkovic A. each carry the table against every opponent faced.