Tomas Behrend defeated Ruben Ramirez Hidalgo 6-2 6-2 in the Costa Do Sauipe round of 16 on hard. The upset overturned the form book — Ruben Ramirez Hidalgo came in leading the head-to-head 2–0. Tomas Behrend claimed a first win over Ruben Ramirez Hidalgo in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-02-09 | Vina del Mar | R32 | clay | Ruben Ramirez Hidalgo | 6-1 3-6 6-3 |
| 2004-01-12 | Sydney | Q32 | hard | Ruben Ramirez Hidalgo | 6-4 4-6 6-3 |
Averages over each player's completed matches in the selected window (51 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