Juan Martin del Potro defeated Andy Roddick 6-7 7-6 6-2 6-4 in the US Open round of 16 on hard. The result followed the form book — Juan Martin del Potro came in leading the head-to-head 3–1, defending last year's round of 32. Juan Martin del Potro extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-02-14 | Memphis | SF | hard | Andy Roddick | 6-3 6-4 |
| 2009-08-10 | Canada Masters | SF | hard | Juan Martin del Potro | 4-6 6-2 7-5 |
| 2009-08-02 | Washington | F | hard | Juan Martin del Potro | 3-6 7-5 7-6(6) |
| 2008-08-04 | Los Angeles | F | hard | Juan Martin del Potro | 6-1 7-6(2) |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 38). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About