Francisco Arrechea defeated Mauricio Perez Mota 6-2 7-5 in the Argentina F18 round of 32 on clay. The upset overturned the form book — Mauricio Perez Mota came in leading the head-to-head 1–0. Francisco Arrechea claimed a first win over Mauricio Perez Mota in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-09-19 | Argentina F16 | R32 | clay | Mauricio Perez Mota | 6-3 5-7 6-4 |