Rafael Matos defeated Marcelo Zormann Da Silva 6-1 7-5 in the Brazil F4 round of 32 on clay. The upset overturned the form book — Marcelo Zormann Da Silva came in leading the head-to-head 1–0, but Rafael Matos had been the form player, winning 8 of their last 10 on clay. Rafael Matos claimed a first win over Marcelo Zormann Da Silva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-14 | Brazil F12 | SF | clay | Marcelo Zormann Da Silva | 3-6 7-6(3) 6-0 |