Stefano Travaglia defeated Nicolas Pastor 6-2 6-2 in the Argentina F12 qualifying round on clay. The upset overturned the form book — Nicolas Pastor came in leading the head-to-head 1–0, but Stefano Travaglia had been the form player, winning 9 of their last 10 on clay. Stefano Travaglia claimed a first win over Nicolas Pastor in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-11-29 | Chile F7 | R16 | clay | Nicolas Pastor | 6-3 6-1 |