Leandro Migani defeated Diego Cristin 6-2 6-3 in the Argentina F1 qualifying round on clay. The upset overturned the form book — Diego Cristin came in leading the head-to-head 2–1, but Leandro Migani had been the form player, winning 4 of their last 10 on clay. Leandro Migani narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-08-14 | Argentina F12 | R32 | clay | Diego Cristin | 3-6 6-1 6-3 |
| 2006-07-31 | Argentina F10 | SF | clay | Diego Cristin | 6-4 6-1 |
| 2006-04-24 | Argentina F4 | QF | clay | Leandro Migani | 6-7(4) 7-6(4) 6-1 |