Luis Horna defeated Gaston Gaudio 4-6 6-4 6-3 in the Acapulco semi-final on hard. The upset overturned the form book — Gaston Gaudio came in leading the head-to-head 3–0, defending last year's round of 32. Luis Horna claimed a first win over Gaston Gaudio in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-02-26 | Acapulco | R32 | hard | Gaston Gaudio | 1-1 RET |
| 2004-07-19 | Kitzbuhel | QF | clay | Gaston Gaudio | 7-6(5) 7-6(1) |
| 2003-04-14 | Monte Carlo Masters | R32 | clay | Gaston Gaudio | 6-4 6-1 |
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 (88 vs 74). ATP, WTA & Challenger.