Emiliano Redondi defeated Antonio Pastorino 6-1 6-1 in the Argentina 2 Masters 1 round of 32 on clay. The upset overturned the form book — Antonio Pastorino came in leading the head-to-head 3–2. Emiliano Redondi narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-02-06 | Panama F1 | SF | clay | Antonio Pastorino | 7-6(4) 2-6 7-5 |
| 2005-09-12 | Uruguay F1 | QF | clay | Emiliano Redondi | 6-3 6-4 |
| 2004-11-22 | Argentina F7 | QF | clay | Emiliano Redondi | 6-2 6-4 |
| 2004-04-26 | Argentina F1 | R32 | clay | Antonio Pastorino | 6-4 6-4 |
| 2004-03-08 | Chile 1 1 | QF | clay | Antonio Pastorino | 6-3 6-4 |