Alberto Soriano defeated Diego Alvarez 6-4 6-3 in the Spain 6 2 round of 32 on clay. The upset overturned the form book — Diego Alvarez came in leading the head-to-head 1–0. Alberto Soriano claimed a first win over Diego Alvarez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-06-23 | Italy 3 2 | R16 | clay | Diego Alvarez | 2-6 6-4 6-2 |