Alejandro Vargas Aboy defeated German Puentes 7-5 6-3 in the Spain 2 4 round of 32 on clay. The upset overturned the form book — German Puentes came in leading the head-to-head 3–1, but Alejandro Vargas Aboy had been the form player, winning 5 of their last 9 on clay. Alejandro Vargas Aboy narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-11-01 | Spain F30 | R32 | clay | German Puentes | 6-4 3-6 6-2 |
| 2004-09-27 | Hungary F5 | QF | clay | Alejandro Vargas Aboy | 6-1 6-2 |
| 2004-07-12 | Spain F14 | R32 | clay | German Puentes | 7-6(5) 6-4 |
| 2004-05-24 | Spain F8 | R32 | clay | German Puentes | 6-4 6-1 |