Leonel Alberti defeated Cristian Paiz 6-4 0-6 6-2 in the Bolivia F4 round of 32 on clay. The upset overturned the form book — Cristian Paiz came in leading the head-to-head 1–0. Leonel Alberti claimed a first win over Cristian Paiz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-01-22 | Panama F1 | R16 | clay | Cristian Paiz | 6-7(3) 6-3 6-2 |