Lucas Engel defeated Carlos Avellan 6-2 2-6 6-1 in the Bolivia F2 round of 16 on clay. The result followed the form book — Lucas Engel came in leading the head-to-head 3–1. Lucas Engel extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-11-20 | Brazil F20 | QF | clay | Lucas Engel | 2-6 6-4 6-4 |
| 2006-06-05 | Brazil F4 | QF | clay | Carlos Avellan | 4-6 6-0 6-1 |
| 2006-05-15 | Brazil F1 | SF | clay | Lucas Engel | 4-6 6-3 6-2 |
| 2003-07-07 | Ecuador F1 | QF | hard | Lucas Engel | 6-3 6-4 |