Stefan Koubek defeated Albert Costa 7-5 7-6 in the Hamburg Masters round of 32 on clay. The upset overturned the form book — Albert Costa came in leading the head-to-head 5–0, defending last year's semi-final. Stefan Koubek claimed a first win over Albert Costa in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-04 | Valencia | R16 | hard | Albert Costa | 6-4 6-2 |
| 2000-07-10 | Gstaad | R32 | clay | Albert Costa | 4-6 6-3 6-3 |
| 2000-03-13 | Indian Wells Masters | R64 | hard | Albert Costa | 3-6 7-5 6-3 |
| 2000-02-07 | Dubai | R16 | hard | Albert Costa | 6-0 6-1 |
| 1999-07-05 | Gstaad | R16 | clay | Albert Costa | 6-7(3) 6-1 7-5 |
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 174). ATP, WTA & Challenger.