Marcelo Demoliner defeated Fernando Romboli 6-2 6-7 6-4 in the Brazil F21 qualifying round on clay. The upset overturned the form book — Fernando Romboli came in leading the head-to-head 6–0, but Marcelo Demoliner had been the form player, winning 3 of their last 4 on clay. Marcelo Demoliner claimed a first win over Fernando Romboli in seven meetings, narrowing the head-to-head to 6–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-02-20 | Brazil F8 | R32 | clay | Fernando Romboli | 6-7(8) 7-5 3-1 |
| 2010-12-06 | Brazil F36 | QF | clay | Fernando Romboli | 3-6 7-6(3) 1-0 |
| 2010-07-19 | Brazil F16 | SF | clay | Fernando Romboli | 6-4 6-3 |
| 2009-06-22 | Brazil F8 | SF | clay | Fernando Romboli | 6-7(2) 6-2 6-3 |
| 2009-05-25 | Brazil F4 | QF | clay | Fernando Romboli | 6-4 6-1 |
| 2008-05-19 | Brazil F5 | QF | clay | Fernando Romboli | 6-4 4-6 6-4 |
Averages over each player's completed matches in the selected window (14 vs 121). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About