01/By surface
each with its own count, at equal weight
Hard
1-0
G. leads 1-0 in 1 meeting on hard
Clay
0-2
K. leads 2-0 in 2 meetings on clay
Grass
0-1
K. leads 1-0 in 1 meeting on grass
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, G. first |
|---|---|---|---|---|---|---|
| May 16, 2022 | Lyon OpenATP250 | clay | 1st round | Khachanov K. | 6-1, 6-4 | 159 v 24 |
| Apr 18, 2018 | Monte Carlo MastersMasters 1000 | clay | 2nd round | Khachanov K. | 6-2, 6-2 | 69 v 38 |
| Jun 20, 2017 | Gerry Weber OpenATP500 | grass | 1st round | Khachanov K. | 6-2, 6-7, 6-3 | 35 v 38 |
| Feb 20, 2017 | Open 13ATP250 | hard | 1st round | Simon G. | 4-6, 7-5, 6-3 | 23 v 48 |
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 Khachanov K. each carry the table against every opponent faced.