Head to head
0
Hard
1
1
Clay
1
0
Grass
1
Younes El Aynaoui's wins on the left · Roger Federer's on the right · bar lengths share one scale
All meetings (4)
| 2003 | Halle | Grass | QF | Roger Federer | 7-5 7-6(3) |
| 2002 | Davis Cup WG PO: MAR vs SUI | Clay | RR | Roger Federer | 6-3 6-2 6-1 |
| 2001 | Miami Masters | Hard | R64 | Roger Federer | 6-2 6-2 |
| 1999 | Gstaad | Clay | R32 | Younes El Aynaoui | 6-2 6-3 |
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.