Joaquin Jesus Monteferrario defeated Nicolas Gustavo Kauer 6-4 0-6 6-3 in the Chile F9 round of 32 on clay. The upset overturned the form book — Nicolas Gustavo Kauer came in leading the head-to-head 1–0, but Joaquin Jesus Monteferrario had been the form player, winning 1 of their last 4 on clay. Joaquin Jesus Monteferrario claimed a first win over Nicolas Gustavo Kauer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-08-22 | Peru F3 | R16 | clay | Nicolas Gustavo Kauer | 6-3 6-2 |