Guillermo Duran defeated Andres Ceppo 3-6 6-3 6-2 in the Argentina F9 round of 16 on clay. The result followed the form book — Guillermo Duran came in leading the head-to-head 2–0. Guillermo Duran extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-24 | Argentina F21 | R32 | clay | Guillermo Duran | 6-4 6-3 |
| 2010-11-29 | Chile F7 | R32 | clay | Guillermo Duran | 1-6 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.