01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
1-1
Level 1-1 in 2 meetings on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, L. first |
|---|---|---|---|---|---|---|
| Jul 12, 2016 | German Tennis ChampionshipsATP500 | clay | 1st round | Robert S. | 7-6, 6-4 | 109 v 83 |
| Feb 23, 2015 | Argentina OpenATP250 | clay | 1st round | Mayer L. | 6-0, 6-1 | 29 v 211 |
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. Mayer L. and Robert S. each carry the table against every opponent faced.