01/By surface
each with its own count, at equal weight
Hard
3-3
Level 3-3 in 6 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
6 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, I. first |
|---|---|---|---|---|---|---|
| Oct 24, 2016 | Erste Bank OpenATP500 | hard | 1st round | Karlovic I. | 7-6, 6-3 | 23 v 31 |
| Jul 23, 2016 | Citi OpenATP500 | hard | semifinal | Karlovic I. | 6-4, 6-4 | 35 v 25 |
| Mar 16, 2015 | BNP Paribas OpenMasters 1000 | hard | 2nd round | Johnson S. | 6-3, 7-6 | 24 v 44 |
| Feb 21, 2015 | Delray Beach OpenATP250 | hard | quarterfinal | Karlovic I. | 6-2, 7-6 | 29 v 42 |
| Jul 31, 2014 | Citi OpenATP500 | hard | 3rd round | Johnson S. | 3-6, 7-6, 7-6 | 31 v 68 |
| Feb 14, 2013 | SAP OpenATP250 | hard | 1st round | Johnson S. | 6-7, 6-4, 7-6 | 155 v 154 |
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 Johnson S. each carry the table against every opponent faced.