Ivan Endara defeated Carlos Avellan 6-2 4-6 6-1 in the Ecuador F2 qualifying round on clay. The upset overturned the form book — Carlos Avellan came in leading the head-to-head 2–0. Ivan Endara claimed a first win over Carlos Avellan in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-08-18 | Ecuador F2 | QF | hard | Carlos Avellan | 6-4 6-0 |
| 2008-01-28 | Panama F1 | QF | clay | Carlos Avellan | 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.