Head to head
2
Hard
0
2
Clay
0
Andy Roddick's wins on the left · Stefan Koubek's on the right · bar lengths share one scale
All meetings (4)
| 2004 | Davis Cup WG R1: USA vs AUT | Hard | RR | Andy Roddick | 6-4 6-4 6-2 |
| 2002 | Canada Masters | Hard | R16 | Andy Roddick | 6-3 6-3 |
| 2001 | Houston | Clay | QF | Andy Roddick | 6-3 6-1 |
| 2001 | Atlanta | Clay | SF | Andy Roddick | 6-2 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.