01/By surface
each with its own count, at equal weight
Hard
0-3
I. leads 3-0 in 3 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Jan 4, 2017 | Qatar Exxon Mobil OpenATP250 | hard | 2nd round | Karlovic I. | 7-6, 7-6 | 53 v 20 |
| Oct 28, 2016 | Erste Bank OpenATP500 | hard | quarterfinal | Karlovic I. | 6-7, 7-6, 6-3 | 63 v 23 |
| Oct 18, 2013 | Kremlin CupATP250 | hard | quarterfinal | Karlovic I. | 6-4, 6-0 | 808 v 86 |
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 Karlovic I. each carry the table against every opponent faced.