Mariano Zabaleta defeated Juan Carlos Ferrero 6-1 6-4 in the Kitzbuhel quarter-final on clay. The upset overturned the form book — Juan Carlos Ferrero came in leading the head-to-head 3–0, defending last year's final. Mariano Zabaleta claimed a first win over Juan Carlos Ferrero in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-01-17 | Australian Open | R64 | hard | Juan Carlos Ferrero | 6-1 6-2 6-0 |
| 2002-07-22 | Kitzbuhel | SF | clay | Juan Carlos Ferrero | 6-7(2) 7-5 6-3 |
| 2000-04-10 | Estoril | R32 | clay | Juan Carlos Ferrero | 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 (166 vs 200). ATP, WTA & Challenger.