Head to head
8
Hard
2
0
Carpet
1
Roger Federer'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 (11)
| 2005 | US Open | Hard | F | Roger Federer | 6-3 2-6 7-6(1) 6-1 |
| 2005 | Miami Masters | Hard | SF | Roger Federer | 6-4 6-3 |
| 2005 | Dubai | Hard | SF | Roger Federer | 6-3 6-1 |
| 2005 | Australian Open | Hard | QF | Roger Federer | 6-3 6-4 6-4 |
| 2004 | US Open | Hard | QF | Roger Federer | 6-3 2-6 7-5 3-6 6-3 |
| 2004 | Indian Wells Masters | Hard | SF | Roger Federer | 4-6 6-3 6-4 |
| 2003 | Masters Cup | Hard | F | Roger Federer | 6-3 6-0 6-4 |
| 2003 | Masters Cup | Hard | RR | Roger Federer | 6-7(3) 6-3 7-6(7) |
| 2002 | Miami Masters | Hard | F | Andre Agassi | 6-3 6-3 3-6 6-4 |
| 2001 | US Open | Hard | R16 | Andre Agassi | 6-1 6-2 6-4 |
| 1998 | Basel | Carpet | R32 | Andre Agassi | 6-3 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.