Head to head
4
Hard
3
1
Clay
0
0
Grass
1
1
Carpet
0
Andre Agassi's wins on the left · Tommy Haas's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (11)
| 2006 | Indian Wells Masters | Hard | R32 | Tommy Haas | 7-5 6-2 |
| 2004 | Stockholm | Hard | SF | Andre Agassi | 7-6(5) 7-6(4) |
| 2004 | Canada Masters | Hard | R64 | Andre Agassi | 4-6 6-4 6-4 |
| 2004 | Los Angeles | Hard | QF | Tommy Haas | 7-6(5) 6-7(6) 6-3 |
| 2002 | Rome Masters | Clay | F | Andre Agassi | 6-3 6-3 6-0 |
| 2001 | Miami Masters | Hard | R16 | Andre Agassi | W/O |
| 2001 | Indian Wells Masters | Hard | R32 | Andre Agassi | 7-6(5) 6-3 |
| 2000 | Lyon | Carpet | R16 | Andre Agassi | 6-2 6-3 |
| 1999 | Grand Slam Cup | Hard | QF | Tommy Haas | 6-0 6-7(2) 6-4 |
| 1998 | Wimbledon | Grass | R64 | Tommy Haas | 4-6 6-1 7-6(4) 6-4 |
| 1998 | Scottsdale | Hard | SF | Andre Agassi | 6-2 6-1 |
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.