Cristhian Ignacio Benedetti defeated Marcel Felder 6-4 6-2 in the Brazil F22 round of 16 on clay. The upset overturned the form book — Marcel Felder came in leading the head-to-head 2–0. Cristhian Ignacio Benedetti claimed a first win over Marcel Felder in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-08-08 | Ecuador F5 | SF | hard | Marcel Felder | 4-6 6-2 6-2 |
| 2008-05-26 | Brazil F6 | SF | clay | Marcel Felder | 6-4 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.