Younes El Aynaoui defeated Roger Federer 6-2 6-3 in the Gstaad round of 32 on clay. The upset overturned the form book — Roger Federer came in leading the head-to-head 3–0, defending last year's round of 32. Younes El Aynaoui claimed a first win over Roger Federer in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-06-09 | Halle | QF | grass | Roger Federer | 7-5 7-6(3) |
| 2002-09-20 | Davis Cup WG PO: MAR vs SUI | RR | clay | Roger Federer | 6-3 6-2 6-1 |
| 2001-03-19 | Miami Masters | R64 | hard | Roger Federer | 6-2 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.