01/By surface
each with its own count, at equal weight
Hard
2-0
Potro J.M. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
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, Potro J.M. first |
|---|---|---|---|---|---|---|
| Aug 30, 2017 | US OpenGrand Slam, best of 5 | hard | 1st round | Del Potro J.M. | 6-4, 7-6, 7-6 | 28 v 94 |
| Oct 23, 2013 | Swiss IndoorsATP500 | hard | 1st round | Del Potro J.M. | 6-4, 6-4 | 5 v 224 |
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 Laaksonen H. each carry the table against every opponent faced.