01/By surface
each with its own count, at equal weight
Hard
4-0
R. leads 4-0 in 4 meetings on hard
Clay
1-0
R. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
5 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, R. first |
|---|---|---|---|---|---|---|
| Sep 2, 2020 | US OpenGrand Slam, best of 5 | hard | 1st round | Gasquet R. | 7-6, 7-6, 6-1 | 51 v 126 |
| Oct 30, 2015 | Swiss IndoorsATP500 | hard | quarterfinal | Gasquet R. | 6-4, 6-7, 7-6 | 11 v 23 |
| May 5, 2015 | Mutua Madrid OpenMasters 1000 | clay | 1st round | Gasquet R. | 6-3, 6-4 | 23 v 25 |
| Aug 6, 2014 | Rogers MastersMasters 1000 | hard | 2nd round | Gasquet R. | 5-7, 7-6, 6-3 | 13 v 31 |
| Oct 19, 2013 | Kremlin CupATP250 | hard | semifinal | Gasquet R. | 6-4, 7-5 | 10 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. Gasquet R. and Karlovic I. each carry the table against every opponent faced.