Galo Blanco defeated Luis Horna 2-6 6-4 1-6 6-2 6-3 in the Roland Garros round of 64 on clay. The upset overturned the form book — Luis Horna came in leading the head-to-head 1–0, defending last year's round of 64. Galo Blanco claimed a first win over Luis Horna in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-02-23 | Costa Do Sauipe | QF | hard | Luis Horna | 6-1 7-6(5) |
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 (26 vs 185). ATP, WTA & Challenger.