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, Y. first |
|---|---|---|---|---|---|---|
| May 30, 2019 | French OpenGrand Slam, best of 5 | clay | 2nd round | Del Potro J.M. | 5-7, 6-4, 6-2, 6-7, 6-2 | 72 v 9 |
| Feb 20, 2019 | Delray Beach OpenATP250 | hard | 1st round | Del Potro J.M. | 6-3, 7-5 | 72 v 4 |
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. Nishioka Y. and Del Potro J.M. each carry the table against every opponent faced.