Marcos Conocente defeated Diego Alvarez 7-6 7-6 in the Argentina F15 round of 16 on clay. The upset overturned the form book — Diego Alvarez came in leading the head-to-head 1–0, but Marcos Conocente had been the form player, winning 5 of their last 10 on clay. Marcos Conocente claimed a first win over Diego Alvarez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-23 | Peru F1 | R16 | clay | Diego Alvarez | 6-3 7-5 |