Head to head
2
Hard
11
Jan-Michael Gambill's wins on the left · Andre Agassi's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (13)
| 2004 | San Jose | Hard | QF | Andre Agassi | 7-6(4) 7-5 |
| 2002 | Madrid Masters | Hard | R32 | Andre Agassi | 6-4 6-4 |
| 2002 | US Open | Hard | R16 | Andre Agassi | 6-2 6-3 6-3 |
| 2002 | Los Angeles | Hard | F | Andre Agassi | 6-2 6-4 |
| 2001 | Los Angeles | Hard | QF | Andre Agassi | 6-2 7-5 |
| 2001 | Miami Masters | Hard | F | Andre Agassi | 7-6(4) 6-1 6-0 |
| 2001 | San Jose | Hard | SF | Andre Agassi | 6-4 6-4 |
| 1999 | Los Angeles | Hard | R32 | Andre Agassi | 6-2 6-2 |
| 1999 | Scottsdale | Hard | SF | Jan-Michael Gambill | 5-4 RET |
| 1998 | Los Angeles | Hard | R16 | Andre Agassi | 6-4 6-4 |
| 1998 | Indian Wells Masters | Hard | QF | Jan-Michael Gambill | 7-6(6) 3-6 6-3 |
| 1998 | Scottsdale | Hard | QF | Andre Agassi | 6-3 7-6(5) |
| 1998 | San Jose | Hard | QF | Andre Agassi | 7-5 7-6(7) |
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.