01/By surface
each with its own count, at equal weight
Hard
0-1
S. leads 1-0 in 1 meeting on hard
Clay
Never on clay
no meeting on this surface
Grass
0-1
S. leads 1-0 in 1 meeting on grass
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, S. first |
|---|---|---|---|---|---|---|
| Aug 14, 2017 | Western & Southern Financial Group MastersMasters 1000 | hard | 1st round | Querrey S. | 6-3, 6-0 | 133 v 20 |
| Jun 10, 2016 | Topshelf OpenATP250 | grass | quarterfinal | Querrey S. | 6-3, 6-0 | 196 v 37 |
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. Kozlov S. and Querrey S. each carry the table against every opponent faced.