| WON | LOST | |
| 2009 | 6 | |
| 2008 | 5 | |
| 2007 | 1 | 1 |
| WON | LOST | |
| Finals | 2 | |
| Semifinals | 2 | |
| Quarterfinals | 2 | |
| Q8 | 2 | |
| Q16 | 2 | 1 |
| Q32 | 2 |
| WON | LOST | |
| Bye | 2 | |
| Andy Roddick | 1 | |
| Dudi Sela | 1 | |
| Fernando Gonzalez | 1 | |
| Jesse Levine | 1 | |
| John Isner | 1 | |
| Lleyton Hewitt | 1 | |
| Robin Soderling | 1 | |
| Tommy Haas | 1 | |
| Viktor Troicki | 1 | |
| Wayne Odesnik | 1 | |
| Yen-Hsun Lu | 1 |
Juan Martin Del Potro tennis results at Washington tennis statistics
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