01/By surface
each with its own count, at equal weight
Hard
0-1
N. leads 1-0 in 1 meeting on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
U. leads 1-0 in 1 meeting on grass
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, U. first |
|---|---|---|---|---|---|---|
| Jun 13, 2025 | Rosmalen Grass Court ChampionshipsATP250 | grass | quarterfinal | Humbert U. | 6-1, 6-4 | 20 v 38 |
| Aug 8, 2024 | Canadian OpenMasters 1000 | hard | 2nd round | Borges N. | 3-6, 7-6, 7-6 | 15 v 43 |
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 Borges N. each carry the table against every opponent faced.