Guillermo Duran defeated Juan Pablo Amado 6-4 7-5 in the Argentina F16 semi-final on clay. The upset overturned the form book — Juan Pablo Amado came in leading the head-to-head 3–1. Guillermo Duran narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-11-28 | Chile F15 | R32 | clay | Guillermo Duran | 5-1 |
| 2011-06-13 | Argentina F7 | SF | clay | Juan Pablo Amado | 6-4 6-4 |
| 2011-05-02 | Argentina F4 | QF | clay | Juan Pablo Amado | 6-3 7-6(3) |
| 2009-04-13 | Argentina F1 | R16 | clay | Juan Pablo Amado | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.