Marc Fornell Mestres defeated Oscar Serrano 7-5 2-6 6-1 in the Spain F28 semi-final on clay. The upset overturned the form book — Oscar Serrano came in leading the head-to-head 1–0. Marc Fornell Mestres claimed a first win over Oscar Serrano in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-01-10 | Spain 1 1 | R16 | clay | Oscar Serrano | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.