Oscar Serrano defeated David Salvador Estepa 6-4 6-1 in the Spain 3 Masters 1 qualifying round on clay. The upset overturned the form book — David Salvador Estepa came in leading the head-to-head 3–1, but Oscar Serrano had been the form player, winning 5 of their last 10 on clay. Oscar Serrano narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-10-17 | Spain 9 Masters 3 | R32 | clay | David Salvador Estepa | 6-1 6-2 |
| 1997-02-28 | Spain 3 Masters 3 | R32 | clay | David Salvador Estepa | 6-3 6-2 |
| 1997-01-31 | Spain 2 Masters 2 | R32 | clay | David Salvador Estepa | 6-3 6-1 |
| 1996-03-01 | Spain 3 Masters 3 | R16 | clay | Oscar Serrano | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.