Head to head
1
Hard
0
0
Clay
1
Juan Martin del Potro's wins on the left · Juan Monaco's on the right · bar lengths share one scale
All meetings (2)
| 2009 | US Open | Hard | R128 | Juan Martin del Potro | 6-3 6-3 6-1 |
| 2006 | Costa do Sauipe | Clay | R32 | Juan Monaco | 7-5 7-5 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.