Rodrigo Antonio Grilli defeated Charles Costa 6-2 6-1 in the Brazil F11Ribeirao PretoSP round of 16 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 |
|---|---|---|---|---|---|
| 2008-05-26 | Brazil F6 | R32 | clay | Rodrigo Antonio Grilli | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.