Marc Fornell Mestres defeated Gerardo Morales 6-1 6-3 in the Spain 5 Satellite 1 round of 16 on clay. The upset overturned the form book — Gerardo Morales came in leading the head-to-head 1–0. Marc Fornell Mestres claimed a first win over Gerardo Morales in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-26 | Spain F4 | R32 | clay | Gerardo Morales | 3-6 7-6 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.