Luciano Vitullo defeated Juan Manuel Valverde 6-2 4-6 6-3 in the Argentina F6 round of 32 on clay. The upset overturned the form book — Juan Manuel Valverde came in leading the head-to-head 1–0. Luciano Vitullo claimed a first win over Juan Manuel Valverde in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-03-13 | Argentina F1 | R32 | clay | Juan Manuel Valverde | 7-6(4) 4-6 6-4 |