Head to head
0
Hard
6
0
Clay
3
0
Grass
1
Jurgen Melzer's wins on the left · Andy Roddick's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (10)
| 2010 | Indian Wells Masters | Hard | R16 | Andy Roddick | 7-6(5) 6-4 |
| 2009 | Wimbledon | Grass | R32 | Andy Roddick | 7-6(2) 7-6(2) 4-6 6-3 |
| 2008 | Tokyo | Hard | R16 | Andy Roddick | 7-6(2) 6-2 |
| 2008 | Davis Cup WG R1: AUT vs USA | Clay | RR | Andy Roddick | 6-4 4-6 6-3 6-7(4) 6-3 |
| 2006 | Vienna | Hard | QF | Andy Roddick | 6-4 6-3 |
| 2005 | Cincinnati Masters | Hard | R64 | Andy Roddick | 6-3 6-4 |
| 2005 | Houston | Clay | SF | Andy Roddick | 6-4 6-2 |
| 2005 | Australian Open | Hard | R32 | Andy Roddick | 6-2 6-2 7-5 |
| 2004 | Houston | Clay | QF | Andy Roddick | 7-5 7-6(5) |
| 2004 | Davis Cup WG R1: USA vs AUT | Hard | RR | Andy Roddick | 6-4 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.