Gaston Gaudio defeated Juan Ignacio Chela 6-3 6-4 in the Buenos Aires quarter-final on clay. The upset overturned the form book — Juan Ignacio Chela came in defending last year's semi-final, but Gaston Gaudio had been the form player, winning 2 of their last 5 on clay. Gaston Gaudio extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-03-18 | Miami Masters | R16 | hard | Juan Ignacio Chela | 6-1 5-7 4-3 |
| 1996-08-03 | Argentina 1 Masters 2 | R16 | clay | Gaston Gaudio | 7-5 6-3 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About