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 25, 2021 | Tennis in the LandWTA250 | hard | 2nd round | Zhang S. | 6-4, 7-6 | 49 v 363 |
| Sep 21, 2016 | Korea OpenInternational | hard | 2nd round | Zhang S. | 6-3, 7-5 | 40 v 133 |
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. Zhang S. and Mattek-Sands B. each carry the table against every opponent faced.