Nicolas Santos defeated Daniel Dutra Da Silva 6-4 6-2 in the Brazil F34 qualifying round on clay. The upset overturned the form book — Daniel Dutra Da Silva came in leading the head-to-head 7–1, but Nicolas Santos had been the form player, winning 5 of their last 9 on clay. Nicolas Santos narrowed the head-to-head to 7–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-11-27 | Brazil F4 | QF | clay | Daniel Dutra Da Silva | 6-3 6-0 |
| 2016-06-27 | Brazil F1 | R32 | clay | Daniel Dutra Da Silva | 6-4 6-2 |
| 2015-08-24 | Brazil F5 | R32 | clay | Daniel Dutra Da Silva | 6-0 6-1 |
| 2013-10-07 | Brazil F11 | R16 | clay | Daniel Dutra Da Silva | 6-3 6-2 |
| 2012-02-20 | Brazil F8 | R32 | clay | Nicolas Santos | 6-2 6-2 |
| 2010-12-20 | Brazil F38 | R16 | clay | Daniel Dutra Da Silva | 5-7 6-3 6-0 |
| 2010-12-06 | Brazil F36 | R32 | clay | Daniel Dutra Da Silva | 6-3 6-4 |
| 2007-07-30 | Argentina F10 | R32 | clay | Daniel Dutra Da Silva | 6-3 6-4 |
Averages over each player's completed matches in the selected window (56 vs 200). 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