01/By surface
each with its own count, at equal weight
Hard
1-0
U. leads 1-0 in 1 meeting on hard
Clay
1-0
U. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, U. first |
|---|---|---|---|---|---|---|
| May 20, 2026 | Hamburg OpenATP500 | clay | 2nd round | Humbert U. | 6-3, 3-6, 7-6 | 34 v 15 |
| Nov 2, 2024 | BNP Paribas MastersMasters 1000 | hard | semifinal | Humbert U. | 6-7, 6-4, 6-3 | 18 v 21 |
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. Humbert U. and Khachanov K. each carry the table against every opponent faced.