01/By surface
each with its own count, at equal weight
Hard
2-0
G. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
G. leads 1-0 in 1 meeting on grass
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, G. first |
|---|---|---|---|---|---|---|
| Sep 18, 2017 | Open de MoselleATP250 | hard | 1st round | Simon G. | 6-3, 6-0 | 43 v 85 |
| Aug 10, 2015 | Rogers MastersMasters 1000 | hard | 1st round | Simon G. | 6-2, 6-4 | 11 v 25 |
| Jun 21, 2013 | AEGON InternationalATP250 | grass | semifinal | Simon G. | 6-4, 6-3 | 17 v 26 |
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. Simon G. and Seppi A. each carry the table against every opponent faced.