Younes El Aynaoui defeated Stefan Koubek 7-6 6-3 in the Amsterdam round of 32 on clay. The upset overturned the form book — Stefan Koubek came in leading the head-to-head 4–0. Younes El Aynaoui claimed a first win over Stefan Koubek in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-01-03 | Doha | SF | hard | Stefan Koubek | 7-6(1) 7-6(5) |
| 2002-12-30 | Doha | SF | hard | Stefan Koubek | 7-6 7-6 |
| 2002-05-13 | Hamburg Masters | R16 | clay | Stefan Koubek | 7-6 6-2 |
| 2002-03-11 | Indian Wells Masters | R64 | hard | Stefan Koubek | 7-6 6-3 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About