Gaston Gaudio defeated Feliciano Lopez 6-2 6-2 in the Estoril quarter-final on clay. The upset overturned the form book — Feliciano Lopez came in leading the head-to-head 2–1. Gaston Gaudio narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-11-01 | Paris Masters | R32 | hard | Feliciano Lopez | 7-5 3-6 6-1 |
| 2003-07-21 | Kitzbuhel | QF | clay | Feliciano Lopez | 6-2 6-7(2) 7-5 |
| 2002-08-26 | US Open | R64 | hard | Gaston Gaudio | 6-2 3-6 6-4 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 (150 vs 200). ATP, WTA & Challenger.