01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
0-2
O. leads 2-0 in 2 meetings on clay
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, K. first |
|---|---|---|---|---|---|---|
| Jul 21, 2017 | SkiStar Swedish OpenATP250 | clay | quarterfinal | Dolgopolov O. | 7-6, 3-6, 7-6 | 33 v 89 |
| Apr 21, 2016 | Open Banco SabadellATP500 | clay | 3rd round | Dolgopolov O. | 6-4, 7-5 | 138 v 30 |
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. Khachanov K. and Dolgopolov O. each carry the table against every opponent faced.