Head to head
4
Hard
0
1
Clay
0
Roger Federer's wins on the left · Jose Acasuso's on the right · bar lengths share one scale
All meetings (5)
| 2009 | Cincinnati Masters | Hard | R32 | Roger Federer | 6-3 7-5 |
| 2009 | Roland Garros | Clay | R64 | Roger Federer | 7-6(8) 5-7 7-6(2) 6-2 |
| 2008 | Miami Masters | Hard | R16 | Roger Federer | 7-6(5) 6-2 |
| 2005 | Cincinnati Masters | Hard | QF | Roger Federer | 6-4 6-3 |
| 2003 | US Open | Hard | R128 | Roger Federer | 5-7 6-3 6-3 2-0 RET |
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.