Carlos Avellan defeated Agustin Tarantino 6-4 6-2 in the Ecuador F1 semi-final on clay. The upset overturned the form book — Agustin Tarantino came in leading the head-to-head 2–0, but Carlos Avellan had been the form player, winning 4 of their last 6 on clay. Carlos Avellan claimed a first win over Agustin Tarantino in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-01-24 | Colombia F1 | R32 | hard | Agustin Tarantino | 2-6 6-1 6-4 |
| 2004-03-08 | Chile 1 3 | R32 | clay | Agustin Tarantino | 6-0 6-1 |