Guido Pella defeated Juan Pablo Amado 6-3 3-6 6-0 in the Argentina F1 qualifying round on clay. The upset overturned the form book — Juan Pablo Amado came in leading the head-to-head 4–1. Guido Pella narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-04-18 | Argentina F2 | QF | clay | Guido Pella | 1-6 6-3 6-3 |
| 2009-09-14 | Bolivia F4 | SF | clay | Juan Pablo Amado | 6-4 6-1 |
| 2008-10-27 | Argentina F14 | R16 | clay | Juan Pablo Amado | 6-2 4-6 6-0 |
| 2008-09-29 | Bolivia F4 | SF | clay | Juan Pablo Amado | 6-0 5-7 6-3 |
| 2007-05-07 | Argentina F3 | R16 | clay | Juan Pablo Amado | 6-2 4-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.