01/By surface
each with its own count, at equal weight
Hard
2-1
Potro J.M. leads 2-1 in 3 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, Potro J.M. first |
|---|---|---|---|---|---|---|
| Feb 23, 2018 | Delray Beach OpenATP250 | hard | 2nd round | Tiafoe F. | 7-6, 4-6, 7-5 | 10 v 91 |
| Jan 16, 2018 | Australian OpenGrand Slam, best of 5 | hard | 1st round | Del Potro J.M. | 6-3, 6-4, 6-3 | 10 v 81 |
| Mar 1, 2017 | Abierto MexicanoATP500 | hard | 1st round | Del Potro J.M. | 6-4, 3-6, 7-6 | 32 v 89 |
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. Del Potro J.M. and Tiafoe F. each carry the table against every opponent faced.