Gaston Gaudio defeated Mariano Puerta 6-4 6-2 in the Buenos Aires round of 32 on clay. The result followed the form book — Gaston Gaudio came in leading the head-to-head 4–1. Gaston Gaudio extended the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-11-14 | Masters Cup | RR | hard | Gaston Gaudio | 6-3 7-5 |
| 2005-02-07 | Buenos Aires | F | clay | Gaston Gaudio | 6-4 6-4 |
| 2001-05-14 | Hamburg Masters | R64 | clay | Gaston Gaudio | 6-2 6-3 |
| 2000-02-28 | Santiago | SF | clay | Mariano Puerta | 3-6 6-4 6-2 |
| 1999-05-10 | Rome Masters | R64 | clay | Gaston Gaudio | 6-1 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 (200 vs 80). ATP, WTA & Challenger.