Nicolas Gustavo Kauer defeated Joaquin Jesus Monteferrario 6-3 6-2 in the Peru F3 round of 16 on clay. The upset overturned the form book — Joaquin Jesus Monteferrario came in leading the head-to-head 1–0. Nicolas Gustavo Kauer claimed a first win over Joaquin Jesus Monteferrario in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-12-13 | Chile F9 | R32 | clay | Joaquin Jesus Monteferrario | 6-4 0-6 6-3 |