01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
2-1
I. leads 2-1 in 3 meetings on clay
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, I. first |
|---|---|---|---|---|---|---|
| Jul 24, 2015 | Claro Open ColombiaATP250 | clay | quarterfinal | Karlovic I. | 3-6, 7-6, 6-4 | 23 v 369 |
| Jul 19, 2014 | Claro Open ColombiaATP250 | clay | semifinal | Karlovic I. | 6-4, 3-6, 6-4 | 29 v 39 |
| Apr 14, 2014 | Monte Carlo MastersMasters 1000 | clay | 1st round | Stepanek R. | 6-1, 6-2 | 53 v 41 |
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. Karlovic I. and Stepanek R. each carry the table against every opponent faced.