Gerardo Morales defeated Ruben Ramirez Hidalgo 6-3 6-1 in the Spain 5 Masters 4 round of 16 on clay. The upset overturned the form book — Ruben Ramirez Hidalgo came in leading the head-to-head 2–0. Gerardo Morales claimed a first win over Ruben Ramirez Hidalgo in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-12 | Spain F2 | R32 | clay | Ruben Ramirez Hidalgo | 6-1 6-1 |
| 1998-10-16 | Spain 8 Masters 1 | R16 | clay | Ruben Ramirez Hidalgo | 7-5 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.