Marcos Conocente defeated Diego Cristin 1-6 6-2 6-2 in the Bolivia F1 round of 32 on clay. The upset overturned the form book — Diego Cristin came in leading the head-to-head 1–0, but Marcos Conocente had been the form player, winning 5 of their last 10 on clay. Marcos Conocente claimed a first win over Diego Cristin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-04-23 | Argentina F1 | R32 | clay | Diego Cristin | 6-4 6-2 |