01/By surface
each with its own count, at equal weight
Hard
2-2
Level 2-2 in 4 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Aug 15, 2017 | Western & Southern Financial Group MastersMasters 1000 | hard | 1st round | Dolgopolov O. | 6-4, 7-6 | 27 v 71 |
| Aug 15, 2016 | Western & Southern Financial Group MastersMasters 1000 | hard | 1st round | Anderson K.ret. | 7-5 | 24 v 37 |
| Mar 1, 2014 | Abierto MexicanoATP500 | hard | semifinal | Anderson K. | 6-1, 5-7, 6-4 | 21 v 38 |
| Aug 6, 2013 | Rogers MastersMasters 1000 | hard | 1st round | Dolgopolov O. | 7-6, 6-4 | 21 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. Anderson K. and Dolgopolov O. each carry the table against every opponent faced.