01/By surface
each with its own count, at equal weight
Hard
2-1
A. leads 2-1 in 3 meetings on hard
Clay
Never on clay
no meeting on this surface
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 |
|---|---|---|---|---|---|---|
| Jan 22, 2017 | Australian OpenGrand Slam | hard | 4th round | Vandeweghe C. | 6-2, 6-3 | 1 v 35 |
| Oct 1, 2015 | Wuhan OpenPremier | hard | quarterfinal | Kerber A.ret. | 6-1, 3-1 | 13 v 49 |
| Jul 31, 2014 | Bank of the West ClassicPremier | hard | 2nd round | Kerber A. | 7-6, 0-6, 6-2 | 8 v 48 |
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 Vandeweghe C. each carry the table against every opponent faced.