01/By surface
each with its own count, at equal weight
Hard
3-1
S. leads 3-1 in 4 meetings on hard
Clay
0-1
K. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
5 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, S. first |
|---|---|---|---|---|---|---|
| Jan 15, 2020 | Hobart InternationalInternational | hard | 2nd round | Zhang S. | 4-6, 6-1, 6-2 | 40 v 91 |
| Sep 17, 2019 | Guangzhou OpenInternational | hard | 1st round | Zhang S. | 6-2, 6-4 | 34 v 72 |
| May 5, 2019 | Mutua Madrid OpenPremier | clay | 1st round | Kozlova K. | 6-3, 6-2 | 45 v 85 |
| Jan 29, 2018 | Taiwan OpenInternational | hard | 1st round | Kozlova K. | 6-2, 6-4 | 34 v 85 |
| Sep 21, 2017 | Guangzhou OpenInternational | hard | quarterfinal | Zhang S. | 6-1, 6-1 | 30 v 83 |
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 Kozlova K. each carry the table against every opponent faced.