Albert Portas defeated Stefan Koubek 6-4 6-2 in the San Marino quarter-final on clay. The upset overturned the form book — Stefan Koubek came in leading the head-to-head 2–0. Albert Portas claimed a first win over Stefan Koubek in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-06-17 | Nottingham | R32 | grass | Stefan Koubek | 7-6(8) 6-4 |
| 2000-02-21 | Mexico City | R32 | clay | Stefan Koubek | 6-1 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 200). ATP, WTA & Challenger.