Jonathan Gonzalia defeated Juan Manuel Valverde 6-2 7-5 in the Argentina F1 qualifying round on clay. The upset overturned the form book — Juan Manuel Valverde came in leading the head-to-head 2–1. Jonathan Gonzalia narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-24 | Argentina F21 | R16 | clay | Juan Manuel Valverde | 6-3 1-0 |
| 2010-11-01 | Argentina F22 | R16 | clay | Jonathan Gonzalia | 6-3 7-6(5) |
| 2010-02-01 | Argentina F2 | F | clay | Juan Manuel Valverde | 6-3 4-6 7-6(2) |