Oscar Serrano defeated Marc Fornell Mestres 6-2 6-3 in the Spain 1 1 round of 16 on clay. The upset overturned the form book — Marc Fornell Mestres came in leading the head-to-head 1–0, but Oscar Serrano had been the form player, winning 5 of their last 10 on clay. Oscar Serrano claimed a first win over Marc Fornell Mestres in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-10-18 | Spain F28 | SF | clay | Marc Fornell Mestres | 7-5 2-6 6-1 |
Averages over each player's completed matches in the selected window (8 vs 36). 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