Cristhian Ignacio Benedetti defeated Guillermo Duran 7-5 6-2 in the Peru F1 round of 16 on clay. The upset overturned the form book — Guillermo Duran came in leading the head-to-head 2–0, but Cristhian Ignacio Benedetti had been the form player, winning 4 of their last 8 on clay. Cristhian Ignacio Benedetti claimed a first win over Guillermo Duran in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-06-13 | Argentina F7 | R16 | clay | Guillermo Duran | 6-2 6-1 |
| 2009-09-21 | Argentina F16 | R16 | clay | Guillermo Duran | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.