01/By surface
each with its own count, at equal weight
Hard
2-1
G. leads 2-1 in 3 meetings on hard
Clay
2-0
G. leads 2-0 in 2 meetings on clay
Grass
0-1
S. leads 1-0 in 1 meeting on grass
02/Every meeting
6 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, G. first |
|---|---|---|---|---|---|---|
| Jan 9, 2019 | Sydney InternationalATP250 | hard | 2nd round | Simon G. | 7-6, 6-7, 6-4 | 31 v 48 |
| May 30, 2018 | French OpenGrand Slam, best of 5 | clay | 2nd round | Simon G. | 1-6, 7-6, 6-4, 6-1 | 65 v 15 |
| Aug 28, 2017 | US OpenGrand Slam, best of 5 | hard | 1st round | Querrey S. | 6-4, 6-3, 6-4 | 39 v 21 |
| Jun 25, 2015 | AEGON OpenATP500 | grass | quarterfinal | Querrey S. | 5-7, 7-6, 6-4 | 13 v 44 |
| Sep 20, 2013 | Open de MoselleATP250 | hard | quarterfinal | Simon G. | 6-4, 7-6 | 16 v 31 |
| May 31, 2013 | French OpenGrand Slam, best of 5 | clay | 3rd round | Simon G. | 2-6, 6-3, 2-6, 7-6, 6-2 | 18 v 20 |
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 Querrey S. each carry the table against every opponent faced.