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
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, G. first |
|---|---|---|---|---|---|---|
| Mar 24, 2016 | Sony Ericsson OpenMasters 1000 | hard | 1st round | Del Potro J.M. | 6-0, 7-6 | 39 v 366 |
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. Pella G. and Del Potro J.M. each carry the table against every opponent faced.