01/By surface
each with its own count, at equal weight
Hard
0-1
U. leads 1-0 in 1 meeting on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
1 row, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Mar 7, 2025 | BNP Paribas OpenMasters 1000 | hard | 2nd round | Humbert U. | 6-4, 6-3 | 76 v 19 |
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. Nishikori K. and Humbert U. each carry the table against every opponent faced.