Lucas Engel defeated Carlos Avellan 6-3 6-4 in the Ecuador F1 qualifying round on hard. 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 |
| 2004-09-27 | Bolivia F2 | R16 | clay | Lucas Engel | 6-2 2-6 6-1 |