title: 2018 Brasil Open – Singles
text: # 2018 Brasil Open – Singles
  
  Pablo Cuevas 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.
  
  * Albert Ramos Viñolas (quarterfinals)
  * Fabio Fognini (champion)
  * Pablo Cuevas (semifinals)
  * Gaël Monfils (second round)
  * Leonardo Mayer (quarterfinals)
  * Guido Pella (second round)
  * Tennys Sandgren (first round)
  * Federico Delbonis (second round)
  
  ## Draw
  
  ### Key
  
  * Q = Qualifier
  * WC = Wild card
  * LL = Lucky loser
  * Alt = Alternate
  * SE = Special exempt
  * PR = Protected ranking
  * ITF = ITF entry
  * JE = Junior exempt
  * w/o = Walkover
  * r = Retired
  * d = Defaulted
  * SR = Special ranking
  
  ### Finals
  
  | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - | - |
  | | Nicolás Jarry | $6^5$ | 6 | 6 | | | | | |
  | | Horacio Zeballos | $7^7$ | 4 | 4 | | | | | |
  | | Horacio Zeballos | $7^7$ | 4 | 4 | | Nicolás Jarry | 6 | 1 | 4 |
  | | | | | | 2 | Fabio Fognini | 1 | 6 | 6 |
  | 3 | Pablo Cuevas | 4 | 2 | | 2 | Fabio Fognini | 1 | 6 | 6 |
  | 2 | Fabio Fognini | 6 | 6 | | | | | | |
  
  ### Top half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | | | | | | 1 | A Ramos Viñolas | 6 | 6 | | | | | | | | | | |
  | Q | G Clezar | 6 | 1 | 7 | Q | G Clezar | 3 | 4 | | | | | | | | | | |
  | WC | T Monteiro | 3 | 6 | 5 | | | | | | 1 | A Ramos Viñolas | $7^8$ | 4 | $6^3$ | | | | |
  | | N Jarry | 6 | 1 | 7 | | | | | | | N Jarry | $6^6$ | 6 | $7^7$ | | | | |
  | | D Lajović | 4 | 6 | 5 | | N Jarry | $6^2$ | 6 | $7^7$ | | | | | | | | | |
  | WC | C Moutet | 6 | 1 | 2 | 6 | G Pella | $7^7$ | 4 | $6^2$ | | | | | | | | | |
  | 6 | G Pella | 4 | 6 | 6 | | | | | | | | | | | N Jarry | $6^5$ | 6 | 6 |
  | | | | | | | | | | | | | | | | H Zeballos | $7^7$ | 4 | 4 |
  | | | | | | 4 | G Monfils | 3 | 6 | 3 | | | | | | | | | |
  | | T Bellucci | $6^2$ | 6 | 3 | | H Zeballos | 6 | 3 | 6 | | | | | | | | | |
  | | H Zeballos | $7^7$ | 3 | 6 | | | | | | | H Zeballos | $6^3$ | 6 | 6 | | | | |
  | | N Kicker | $7^7$ | 6 | | | | | | | | R Dutra Silva | $7^7$ | 2 | 4 | | | | |
  | | V Estrella Burgos | $6^5$ | 3 | | | N Kicker | 4 | 2 | | | | | | | | | | |
  | | R Dutra Silva | 6 | 6 | | | R Dutra Silva | 6 | 6 | | | | | | | | | | |
  | 7 | T Sandgren | 0 | 4 | | | | | | | | | | | | | | | |
  
  ### Bottom half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 5 | L Mayer | 5 | $7^{12}$ | $7^7$ | | | | | | | | | | | | | | |
  | | G Elias | 7 | $6^{10}$ | $6^5$ | 5 | L Mayer | 7 | 6 | | | | | | | | | | |
  | | C Berlocq | 3 | 6 | 6 | | C Berlocq | 5 | 4 | | | | | | | | | | |
  | WC | T Seyboth Wild | 6 | 3 | 2 | | | | | | 5 | L Mayer | 2 | $7^{15}$ | $6^5$ | | | | |
  | Q | S Ofner | 6 | 6 | | | | | | | 3 | P Cuevas | 6 | $6^{13}$ | $7^7$ | | | | |
  | | M Cecchinato | 3 | 3 | | Q | S Ofner | 4 | $6^4$ | | | | | | | | | | |
  | | | | | | 3 | P Cuevas | 6 | $7^7$ | | | | | | | | | | |
  | | | | | | | | | | | | | | | | 3 | P Cuevas | 4 | 2 |
  | 8 | F Delbonis | 6 | 6 | | | | | | | | | | | | 2 | F Fognini | 6 | 6 |
  | | R Carballés Baena | 4 | 4 | | 8 | F Delbonis | $6^3$ | 6 | 4 | | | | | | | | | |
  | | G Melzer | 4 | 6 | 3 | | G García López | $7^7$ | 4 | 6 | | | | | | | | | |
  | | G García López | 6 | 3 | 6 | | | | | | | G García López | 4 | 2 | | | | | |
  | Q | R Olivo | 6 | $6^6$ | 5 | | | | | | 2 | F Fognini | 6 | 6 | | | | | |
  | Q | J Domingues | 2 | $7^8$ | 7 | Q | J Domingues | 5 | 1 | | | | | | | | | | |
  | | | | | | 2 | F Fognini | 7 | 6 | | | | | | | | | | |
  
  ## Qualifying
  
  ### Seeds
  
  * Sebastian Ofner (qualified)
  * Tommy Robredo (first round)
  * Renzo Olivo (qualified)
  * João Domingues (qualified)
  * Guilherme Clezar (qualified)
  * João Souza (first round, retired)
  * Daniel Muñoz de la Nava (first round, retired)
  * Roberto Quiroz (qualifying competition)
  
  ### Qualifiers
  
  * Sebastian Ofner
  * Guilherme Clezar
  * Renzo Olivo
  * João Domingues
  
  ### Qualifying draw
  
  **First qualifier**
  
  | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - | - |
  | 1 | Sebastian Ofner | 6 | 6 | | | | | |
  | WC | Rafael Matos | 3 | 4 | | | | | |
  | WC | Rafael Matos | 3 | 4 | 1 | Sebastian Ofner | 4 | 6 | 6 |
  | | | | | | Pedro Cachin | 6 | 2 | 4 |
  | | Pedro Cachin | $7^7$ | 4 | | Pedro Cachin | 6 | 2 | 4 |
  | 7 | Daniel Muñoz de la Nava | $6^3$ | $1^r$ | | | | | |
  
  **Second qualifier**
  
  | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - |
  | 2 | Tommy Robredo | $6^5$ | 4 | | | | |
  | | Pedro Sakamoto | $7^7$ | 6 | | | | |
  | | Pedro Sakamoto | $7^7$ | 6 | | Pedro Sakamoto | 2 | 1 |
  | | | | | 5 | Guilherme Clezar | 6 | 6 |
  | WC | Fernando Yamacita | 1 | $6^4$ | 5 | Guilherme Clezar | 6 | 6 |
  | 5 | Guilherme Clezar | 6 | $7^7$ | | | | |
  
  **Third qualifier**
  
  | First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - | - |
  | 3 | Renzo Olivo | 6 | 6 | | | | | |
  | | Ivan Gakhov | 4 | 3 | | | | | |
  | | Ivan Gakhov | 4 | 3 | | 3 | Renzo Olivo | 6 | $7^7$ |
  | | | | | | 8 | Roberto Quiroz | 0 | $6^5$ |
  | | Daniel Dutra da Silva | 6 | 2 | 3 | 8 | Roberto Quiroz | 0 | $6^5$ |
  | 8 | Roberto Quiroz | 4 | 6 | 6 | | | | |
  
  **Fourth qualifier**
  
  | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - |
  | 4 | João Domingues | 6 | 6 | | | | |
  | | José Hernández-Fernández | 2 | 4 | | | | |
  | | José Hernández-Fernández | 2 | 4 | 4 | João Domingues | 6 | 6 |
  | | | | | | Ivan Nedelko | 2 | 1 |
  | | Ivan Nedelko | $7^7$ | 2 | | Ivan Nedelko | 2 | 1 |
  | 6 | João Souza | $6^5$ | $1^r$ | | | | |
  