Juan Francisco Spina defeated Diego Cristin 5-7 6-3 6-3 in the Argentina F5 round of 32 on clay. The upset overturned the form book — Diego Cristin came in leading the head-to-head 3–0, but Juan Francisco Spina had been the form player, winning 3 of their last 8 on clay. Juan Francisco Spina claimed a first win over Diego Cristin in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-25 | Bolivia F3 | SF | clay | Diego Cristin | 6-4 6-4 |
| 2006-09-18 | Bolivia F2 | R16 | clay | Diego Cristin | 7-5 6-0 |
| 2005-08-15 | Argentina F7 | R32 | clay | Diego Cristin | 6-2 6-1 |