01/By surface
each with its own count, at equal weight
Hard
0-1
Potro J.M. leads 1-0 in 1 meeting on hard
Clay
0-1
Potro J.M. 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, N. first |
|---|---|---|---|---|---|---|
| May 29, 2018 | French OpenGrand Slam, best of 5 | clay | 1st round | Del Potro J.M. | 1-6, 6-1, 6-2, 6-4 | 116 v 6 |
| Jan 8, 2014 | Apia InternationalATP250 | hard | 2nd round | Del Potro J.M. | 1-6, 6-3, 6-4 | 50 v 5 |
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. Mahut N. and Del Potro J.M. each carry the table against every opponent faced.