Jonathan Gonzalia defeated Antonio Pastorino 1-6 6-2 6-4 in the Argentina F2 round of 16 on clay. The upset overturned the form book — Antonio Pastorino came in leading the head-to-head 3–0. Jonathan Gonzalia claimed a first win over Antonio Pastorino in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-14 | Argentina F15 | QF | clay | Antonio Pastorino | 7-5 7-6(5) |
| 2008-05-05 | Italy F12 | QF | clay | Antonio Pastorino | 6-3 6-2 |
| 2004-03-08 | Chile 1 1 | R16 | clay | Antonio Pastorino | 6-3 6-4 |