Younes El Aynaoui defeated Mariano Zabaleta 6-4 6-2 in the Casablanca quarter-final on clay. The result followed the form book — Younes El Aynaoui came in leading the head-to-head 3–2, defending last year's quarter-final. Younes El Aynaoui extended the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-08-11 | Cincinnati Masters | R32 | hard | Mariano Zabaleta | 6-7(4) 6-4 7-5 |
| 2003-05-26 | Roland Garros | R32 | clay | Mariano Zabaleta | 6-2 6-4 3-6 7-6(2) |
| 2000-05-08 | Rome Masters | R32 | clay | Younes El Aynaoui | 3-6 7-6(2) 7-6(6) |
| 1999-08-02 | Amsterdam | F | clay | Younes El Aynaoui | 6-0 6-3 |
| 1998-10-26 | Mexico City | R32 | clay | Younes El Aynaoui | 6-3 6-4 |
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.