Gaston Giussani defeated Eladio Ribeiro Neto 6-4 1-6 7-5 in the Brazil F30 round of 16 on clay. The upset overturned the form book — Eladio Ribeiro Neto came in leading the head-to-head 2–0. Gaston Giussani claimed a first win over Eladio Ribeiro Neto in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-08-03 | Brazil F13 | R16 | clay | Eladio Ribeiro Neto | 7-5 6-2 |
| 2008-12-08 | Brazil F32 | R16 | clay | Eladio Ribeiro Neto | 3-6 6-4 6-3 |