Head to head
0
Hard
3
Guillermo Canas's wins on the left · Juan Martin del Potro's on the right · bar lengths share one scale
All meetings (3)
| 2009 | Memphis | Hard | R32 | Juan Martin del Potro | 6-3 7-6(5) |
| 2008 | US Open | Hard | R128 | Juan Martin del Potro | 4-6 7-6(0) 6-4 6-1 |
| 2007 | Cincinnati Masters | Hard | R64 | Juan Martin del Potro | 6-2 6-2 |
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.