Jose Carlos Garcia Sanchez defeated Marc Fornell Mestres 6-3 6-2 in the Spain F17 round of 32 on clay. The upset overturned the form book — Marc Fornell Mestres came in leading the head-to-head 2–0. Jose Carlos Garcia Sanchez claimed a first win over Marc Fornell Mestres in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-10-13 | Spain 4 4 | R32 | clay | Marc Fornell Mestres | 6-4 6-7(6) 7-6(1) |
| 2003-09-29 | Spain F25 | QF | hard | Marc Fornell Mestres | 6-3 2-6 7-6(8) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.