01/By surface
each with its own count, at equal weight
Hard
3-1
I. leads 3-1 in 4 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, I. first |
|---|---|---|---|---|---|---|
| Oct 4, 2016 | Rakuten Japan Open Tennis ChampionshipsATP500 | hard | 1st round | Karlovic I. | 7-6, 6-7, 7-6 | 21 v 47 |
| Jan 18, 2016 | Australian OpenGrand Slam, best of 5 | hard | 1st round | Delbonis F.ret. | 7-6, 6-4, 2-1 | 24 v 53 |
| Sep 1, 2015 | US OpenGrand Slam, best of 5 | hard | 1st round | Karlovic I. | 6-3, 7-5, 7-5 | 21 v 63 |
| Oct 14, 2014 | Erste Bank OpenATP250 | hard | 1st round | Karlovic I. | 6-7, 7-6, 7-6 | 30 v 63 |
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 Delbonis F. each carry the table against every opponent faced.