Sergi Duran defeated Pedro Nieto 6-4 4-6 6-3 in the Spain 5 Masters 3 round of 16 on clay. The upset overturned the form book — Pedro Nieto came in leading the head-to-head 1–0, but Sergi Duran had been the form player, winning 4 of their last 9 on clay. Sergi Duran claimed a first win over Pedro Nieto in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-05-09 | Spain 4 Masters 2 | R32 | clay | Pedro Nieto | 6-2 6-3 |