Martin Vilarrubi defeated Marc Fornell Mestres 6-1 3-6 6-4 in the Spain F18 round of 32 on clay. The upset overturned the form book — Marc Fornell Mestres came in leading the head-to-head 1–0. Martin Vilarrubi 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 |
|---|---|---|---|---|---|
| 2003-09-29 | Spain F25 | R32 | hard | Marc Fornell Mestres | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.