01/By surface
each with its own count, at equal weight
Hard
1-0
R. leads 1-0 in 1 meeting on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
R. leads 1-0 in 1 meeting on grass
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, R. first |
|---|---|---|---|---|---|---|
| Jun 7, 2016 | Mercedes CupATP250 | grass | 1st round | Stepanek R. | 7-5, 3-6, 6-3 | 129 v 64 |
| Mar 6, 2014 | BNP Paribas OpenMasters 1000 | hard | 1st round | Stepanek R. | 6-1, 3-6, 6-1 | 50 v 56 |
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. Stepanek R. and Istomin D. each carry the table against every opponent faced.