Charles Costa defeated Leandro Ribeiro 7-5 1-6 7-5 in the Brazil F3 round of 32 on clay. The upset overturned the form book — Leandro Ribeiro came in leading the head-to-head 1–0, but Charles Costa had been the form player, winning 5 of their last 10 on clay. Charles Costa claimed a first win over Leandro Ribeiro in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-31 | Brazil F9 | R32 | clay | Leandro Ribeiro | 6-7(5) 6-4 6-3 |