Dario Perez defeated Alejandro Fabbri 6-3 6-4 in the Argentina F7 round of 16 on clay. The upset overturned the form book — Alejandro Fabbri came in leading the head-to-head 2–0. Dario Perez claimed a first win over Alejandro Fabbri in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-08-18 | Argentina F1 | R32 | clay | Alejandro Fabbri | 7-5 6-3 |
| 2002-11-18 | Uruguay F2 | R16 | clay | Alejandro Fabbri | 6-1 6-3 |