Rodrigo Antonio Grilli defeated Tiago Lopes 5-7 7-5 6-1 in the Brazil F17 round of 32 on clay. The upset overturned the form book — Tiago Lopes came in leading the head-to-head 2–0. Rodrigo Antonio Grilli claimed a first win over Tiago Lopes in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-21 | Brazil 20 | QF | clay | Tiago Lopes | 5-7 6-3 3-0 |
| 2008-09-15 | Brazil F20 | QF | clay | Tiago Lopes | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.