Roger Federer defeated Younes El Aynaoui 7-5 7-6 in the Halle quarter-final on grass. The result followed the form book — Roger Federer came in leading the head-to-head 2–1, defending last year's semi-final. Roger Federer extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 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 |
| 1999-07-05 | Gstaad | R32 | clay | Younes El Aynaoui | 6-2 6-3 |
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 83). ATP, WTA & Challenger.