01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
Never on clay
no meeting on this surface
Grass
2-0
R. leads 2-0 in 2 meetings on grass
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, R. first |
|---|---|---|---|---|---|---|
| Jun 11, 2018 | Ricoh OpenATP250 | grass | 1st round | Haase R. | 7-6, 6-7, 6-3 | 44 v 90 |
| Jun 12, 2015 | Topshelf OpenATP250 | grass | quarterfinal | Haase R. | 6-7, 6-4, 7-6 | 83 v 27 |
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. Haase R. and Karlovic I. each carry the table against every opponent faced.