Rodrigo Antonio Grilli defeated Ricardo Siggia 6-0 6-3 in the Brazil F2 round of 32 on clay. The result followed the form book — Rodrigo Antonio Grilli came in leading the head-to-head 1–0. Rodrigo Antonio Grilli extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-12-15 | Brazil F33 | R32 | hard | Rodrigo Antonio Grilli | 6-0 6-1 |