01/By surface
each with its own count, at equal weight
Hard
1-1
Level 1-1 in 2 meetings on hard
Clay
1-0
D. leads 1-0 in 1 meeting on clay
Grass
0-1
I. leads 1-0 in 1 meeting on grass
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, D. first |
|---|---|---|---|---|---|---|
| Jul 17, 2015 | Hall of Fame ChampionshipsATP250 | grass | quarterfinal | Karlovic I. | 7-6, 6-3 | 80 v 24 |
| Feb 17, 2015 | Delray Beach OpenATP250 | hard | 1st round | Karlovic I. | 6-3, 6-7, 6-2 | 97 v 29 |
| Apr 28, 2014 | BMW OpenATP250 | clay | 1st round | Brown D. | 7-6, 7-6 | 86 v 53 |
| Jan 1, 2014 | Qatar Exxon Mobil OpenATP250 | hard | 2nd round | Brown D. | 3-6, 7-6, 6-4 | 111 v 78 |
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. Brown D. and Karlovic I. each carry the table against every opponent faced.