Caio Silva defeated Marlon Oliveira 6-3 6-4 in the Brazil F43 round of 32 on clay. The upset overturned the form book — Marlon Oliveira came in leading the head-to-head 2–0, but Caio Silva had been the form player, winning 2 of their last 8 on clay. Caio Silva claimed a first win over Marlon Oliveira in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-11-26 | Brazil F35 | R32 | hard | Marlon Oliveira | 7-5 7-6(5) |
| 2009-09-14 | Brazil F19 | R32 | clay | Marlon Oliveira | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.