01/By surface
each with its own count, at equal weight
Hard
1-0
G. leads 1-0 in 1 meeting on hard
Clay
1-1
Level 1-1 in 2 meetings on clay
Grass
1-1
Level 1-1 in 2 meetings on grass
02/Every meeting
5 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, G. first |
|---|---|---|---|---|---|---|
| Jun 15, 2021 | Halle OpenATP500 | grass | 1st round | Basilashvili N. | 6-1, 3-6, 6-4 | 71 v 30 |
| Jul 3, 2018 | WimbledonGrand Slam, best of 5 | grass | 1st round | Simon G. | 6-1, 7-6, 6-1 | 53 v 74 |
| May 28, 2018 | French OpenGrand Slam, best of 5 | clay | 1st round | Simon G. | 6-4, 6-0, 6-7, 6-4 | 65 v 77 |
| May 29, 2017 | French OpenGrand Slam, best of 5 | clay | 1st round | Basilashvili N. | 1-6, 6-2, 6-4, 6-1 | 32 v 63 |
| Oct 13, 2015 | Shanghai MastersMasters 1000 | hard | 1st round | Simon G. | 6-3, 4-6, 6-0 | 14 v 93 |
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 Basilashvili N. each carry the table against every opponent faced.