Oscar Hernandez defeated Gustavo Kuerten 7-6 7-6 in the Vina del Mar round robin on clay. The upset overturned the form book — Gustavo Kuerten came in leading the head-to-head 1–0. Oscar Hernandez claimed a first win over Gustavo Kuerten in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-02-23 | Costa Do Sauipe | R32 | hard | Gustavo Kuerten | 3-6 6-2 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 (128 vs 11). ATP, WTA & Challenger.