01/By surface
each with its own count, at equal weight
Hard
2-0
O. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
0-1
I. leads 1-0 in 1 meeting on grass
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, O. first |
|---|---|---|---|---|---|---|
| Aug 6, 2015 | Citi OpenATP500 | hard | 2nd round | Dolgopolov O. | 6-4, 7-6 | 73 v 23 |
| Jul 2, 2015 | WimbledonGrand Slam, best of 5 | grass | 2nd round | Karlovic I. | 5-7, 6-3, 6-4, 6-7, 13-11 | 70 v 25 |
| Feb 27, 2014 | Abierto MexicanoATP500 | hard | quarterfinal | Dolgopolov O. | 6-4, 7-6 | 38 v 55 |
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. Dolgopolov O. and Karlovic I. each carry the table against every opponent faced.