Mauricio Perez Mota defeated Francisco Arrechea 6-3 5-7 6-4 in the Argentina F16 round of 32 on clay. The upset overturned the form book — Francisco Arrechea came in leading the head-to-head 1–0. Mauricio Perez Mota claimed a first win over Francisco Arrechea in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-03 | Argentina F18 | R32 | clay | Francisco Arrechea | 6-2 7-5 |