Head to head
4
Hard
2
Andy Roddick's wins on the left · John Isner's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2012 | Atlanta | Hard | SF | Andy Roddick | 6-4 6-7(5) 6-4 |
| 2011 | Winston-Salem | Hard | SF | John Isner | 7-6(7) 6-4 |
| 2011 | Indian Wells Masters | Hard | R32 | Andy Roddick | 7-5 6-2 |
| 2009 | US Open | Hard | R32 | John Isner | 7-6(3) 6-3 3-6 5-7 7-6(5) |
| 2009 | Washington | Hard | SF | Andy Roddick | 6-7(3) 6-2 7-5 |
| 2007 | Washington | Hard | F | Andy Roddick | 6-4 7-6(4) |
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.