2018 Brasil Open – Singles
was the three-time defending champion, but lost in the semifinals to Fabio Fognini.
Fognini went on to win the title, defeating Nicolás Jarry in the final, 1–6, 6–1, 6–4.Seeds
The top four seeds receive a bye into the second round.Draw
Finals
Seeds
Qualifiers
Qualifying draw
Second qualifier
Third qualifier