Head to head
4
Hard
1
Juan Martin del Potro's wins on the left · Andy Roddick's on the right · bar lengths share one scale
All meetings (5)
| 2012 | US Open | Hard | R16 | Juan Martin del Potro | 6-7(1) 7-6(4) 6-2 6-4 |
| 2011 | Memphis | Hard | SF | Andy Roddick | 6-3 6-4 |
| 2009 | Canada Masters | Hard | SF | Juan Martin del Potro | 4-6 6-2 7-5 |
| 2009 | Washington | Hard | F | Juan Martin del Potro | 3-6 7-5 7-6(6) |
| 2008 | Los Angeles | Hard | F | Juan Martin del Potro | 6-1 7-6(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.