Mauricio Echazu defeated Gaston Giussani 7-5 7-5 in the Chile F3 round of 16 on clay. The upset overturned the form book — Gaston Giussani came in leading the head-to-head 1–0. Mauricio Echazu claimed a first win over Gaston Giussani in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-08-02 | Argentina F15 | R32 | clay | Gaston Giussani | 6-2 6-2 |