Mauricio Doria Medina defeated Antonio Pastorino 3-6 6-3 6-4 in the Argentina F2 round of 32 on clay. The upset overturned the form book — Antonio Pastorino came in leading the head-to-head 1–0. Mauricio Doria Medina claimed a first win over Antonio Pastorino in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-26 | Bolivia F1 | R16 | clay | Antonio Pastorino | 7-6(2) 6-7(3) 6-4 |