Martin Rios Benitez defeated Alejandro Fabbri 6-3 6-2 in the Brazil F13 round of 32 on clay. The upset overturned the form book — Alejandro Fabbri came in leading the head-to-head 3–1. Martin Rios Benitez narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-17 | Argentina F20 | R32 | clay | Martin Rios Benitez | 5-1 |
| 2011-09-19 | Argentina F16 | R32 | clay | Alejandro Fabbri | 6-2 6-1 |
| 2011-08-15 | Argentina F11 | QF | clay | Alejandro Fabbri | 6-1 6-2 |
| 2010-07-05 | Argentina F12 | R32 | clay | Alejandro Fabbri | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.