01/By surface
each with its own count, at equal weight
Hard
2-2
Level 2-2 in 4 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
5 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, S. first |
|---|---|---|---|---|---|---|
| Jul 21, 2016 | Citi OpenInternational | hard | 2nd round | Mladenovic K. | 6-3, 6-3 | 81 v 34 |
| Jun 14, 2016 | Mallorca OpenInternational | grass | 1st round | Lisicki S. | 6-4, 6-4 | 64 v 29 |
| Jan 19, 2015 | Australian OpenGrand Slam | hard | 1st round | Mladenovic K. | 4-6, 6-4, 6-2 | 28 v 71 |
| Aug 18, 2013 | New Haven Open at YalePremier | hard | 1st round | Lisicki S. | 7-5, 6-1 | 18 v 37 |
| Feb 21, 2013 | US National Indoor Tennis ChampionshipsInternational | hard | quarterfinal | Lisicki S. | 6-3, 6-3 | 40 v 63 |
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. Lisicki S. and Mladenovic K. each carry the table against every opponent faced.