Carlos Eduardo Severino defeated Bruno Sant'Anna 2-6 6-1 6-4 in the Brazil F10 round of 32 on clay. The upset overturned the form book — Bruno Sant'Anna came in leading the head-to-head 4–2. Carlos Eduardo Severino narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-06-30 | Brazil F1 | QF | clay | Bruno Sant'Anna | 6-3 6-1 |
| 2015-11-02 | Brazil F7 | QF | clay | Carlos Eduardo Severino | 6-3 6-2 |
| 2014-04-21 | Brazil F3 | SF | clay | Bruno Sant'Anna | 6-4 6-4 |
| 2012-11-26 | Brazil F35 | R16 | hard | Bruno Sant'Anna | 3-6 6-2 6-3 |
| 2012-11-12 | Brazil F30 | QF | clay | Bruno Sant'Anna | 6-4 6-3 |
| 2010-09-27 | Brazil F26 | R32 | clay | Carlos Eduardo Severino | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.