01/By surface
each with its own count, at equal weight
Hard
1-2
G. leads 2-1 in 3 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, G. first |
|---|---|---|---|---|---|---|
| Oct 9, 2015 | Rakuten Japan Open Tennis ChampionshipsATP500 | hard | quarterfinal | Muller G. | 6-3, 6-4 | 43 v 10 |
| Sep 25, 2015 | Open de MoselleATP250 | hard | quarterfinal | Simon G. | 6-4, 6-4 | 45 v 10 |
| Oct 1, 2014 | Rakuten Japan Open Tennis ChampionshipsATP500 | hard | 2nd round | Simon G. | 4-6, 7-6, 6-3 | 58 v 37 |
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. Muller G. and Simon G. each carry the table against every opponent faced.