01/By surface
each with its own count, at equal weight
Hard
2-2
Level 2-2 in 4 meetings on hard
Clay
1-0
G. leads 1-0 in 1 meeting on clay
Grass
1-0
G. 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 |
|---|---|---|---|---|---|---|
| Feb 13, 2020 | ABN AMRO World Tennis TournamentATP500 | hard | 2nd round | Monfils G. | 6-4, 6-1 | 57 v 9 |
| May 8, 2017 | Mutua Madrid OpenMasters 1000 | clay | 1st round | Simon G. | 0-6, 6-0, 7-6 | 32 v 16 |
| Oct 6, 2016 | Rakuten Japan Open Tennis ChampionshipsATP500 | hard | 2nd round | Monfils G. | 6-1, 6-4 | 30 v 8 |
| Jul 4, 2015 | WimbledonGrand Slam | grass | 3rd round | Simon G. | 3-6, 6-3, 7-6, 2-6, 6-2 | 13 v 18 |
| Feb 22, 2015 | Open 13ATP250 | hard | final | Simon G. | 6-4, 1-6, 7-6 | 17 v 21 |
| Jan 19, 2013 | Australian OpenGrand Slam, best of 5 | hard | 3rd round | Simon G. | 6-4, 6-4, 4-6, 1-6, 8-6 | 16 v 86 |
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 Monfils G. each carry the table against every opponent faced.