Juan Antonio Marin defeated Galo Blanco 3-6 6-3 7-5 in the Costa Do Sauipe q16 on hard. The upset overturned the form book — Galo Blanco came in leading the head-to-head 2–1, defending last year's quarter-final. Juan Antonio Marin narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-02-09 | Vina del Mar | R32 | clay | Galo Blanco | 6-4 6-3 |
| 1998-04-13 | Barcelona | R64 | clay | Galo Blanco | 6-3 6-1 |
| 1994-04-08 | Spain 3 Masters 2 | R32 | clay | Juan Antonio Marin | 7-5 6-2 |
Averages over each player's completed matches in the selected window (25 vs 5). 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