01/By surface
each with its own count, at equal weight
Hard
2-0
S. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
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, S. first |
|---|---|---|---|---|---|---|
| Aug 6, 2014 | Rogers CupPremier | hard | 2nd round | Lisicki S. | 4-6, 6-1, 6-4 | 29 v 28 |
| Feb 19, 2013 | US National Indoor Tennis ChampionshipsInternational | hard | 1st round | Lisicki S. | 7-5, 6-3 | 40 v 79 |
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 Keys M. each carry the table against every opponent faced.