title: 2018 Estoril Open – Singles
text: # 2018 Estoril Open – Singles
  
  Pablo Carreño Busta was the defending champion, but lost in the semifinals to Frances Tiafoe.
  
  João Sousa won the title, defeating Tiafoe in the final, 6–4, 6–4.
  
  ## Seeds
  
  The top four seeds received a bye into the second round.
  
  * Kevin Anderson (second round)
  * Pablo Carreño Busta (semifinals)
  * Kyle Edmund (quarterfinals)
  * Gilles Müller (second round)
  * Albert Ramos Viñolas (first round)
  * Robin Haase (first round)
  * Leonardo Mayer (first round)
  * Daniil Medvedev (first 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 |
  | - | - | - | - | - | - | - | - |
  | | Stefanos Tsitsipas | 4 | 6 | $6^4$ | | | |
  | | João Sousa | 6 | 1 | $7^7$ | | | |
  | | João Sousa | 6 | 1 | $7^7$ | João Sousa | 6 | 6 |
  | | | | | | Frances Tiafoe | 4 | 4 |
  | | Frances Tiafoe | 6 | 6 | | Frances Tiafoe | 4 | 4 |
  | 2 | Pablo Carreño Busta | 2 | 3 | | | | |
  
  ### 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 | K Anderson | $7^7$ | 3 | 3 | | | | | | | | | |
  | PR | P Andújar | $6^2$ | 3 | | | S Tsitsipas | $6^3$ | 6 | 6 | | | | | | | | | |
  | | S Tsitsipas | $7^7$ | 6 | | | | | | | | S Tsitsipas | $6^2$ | 6 | $7^7$ | | | | |
  | | R Carballés Baena | $7^7$ | 6 | | | | | | | | R Carballés Baena | $7^7$ | 2 | $6^3$ | | | | |
  | | B Fratangelo | $6^1$ | 3 | | | R Carballés Baena | 5 | 6 | $7^7$ | | | | | | | | | |
  | | C Norrie | 6 | 3 | 6 | | C Norrie | 7 | 2 | $6^1$ | | | | | | | | | |
  | 6 | R Haase | 4 | 6 | 3 | | | | | | | | | | | S Tsitsipas | 4 | 6 | $6^4$ |
  | | | | | | | | | | | | | | | | J Sousa | 6 | 1 | $7^7$ |
  | | | | | | 3 | K Edmund | 6 | 7 | | | | | | | | | | |
  | | G Elias | 3 | 1 | | WC | A de Minaur | 2 | 5 | | | | | | | | | | |
  | WC | A de Minaur | 6 | 6 | | | | | | | 3 | K Edmund | 3 | 6 | 0 | | | | |
  | | G Simon | 3 | 6 | $6^4$ | | | | | | | J Sousa | 6 | 1 | 6 | | | | |
  | WC | P Sousa | 6 | 4 | $7^7$ | WC | P Sousa | 6 | $6^1$ | 5 | | | | | | | | | |
  | | J Sousa | $7^7$ | 7 | | | J Sousa | 4 | $7^7$ | 7 | | | | | | | | | |
  | 8 | D Medvedev | $6^1$ | 5 | | | | | | | | | | | | | | | |
  
  ### 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 | A Ramos Viñolas | 2 | 4 | | | | | | | | | | | | | | | |
  | | F Delbonis | 6 | 6 | | | F Delbonis | 6 | 5 | 2 | | | | | | | | | |
  | Q | J Domingues | 3 | 2 | | Q | S Bolelli | 3 | 7 | 6 | | | | | | | | | |
  | Q | S Bolelli | 6 | 6 | | | | | | | Q | S Bolelli | 5 | 2 | | | | | |
  | | T Sandgren | 6 | $6^5$ | $6^4$ | | | | | | | F Tiafoe | 7 | 6 | | | | | |
  | | F Tiafoe | 3 | $7^7$ | $7^7$ | | F Tiafoe | 6 | 7 | | | | | | | | | | |
  | | | | | | 4 | G Müller | 4 | 5 | | | | | | | | | | |
  | | | | | | | | | | | | | | | | | F Tiafoe | 6 | 6 |
  | 7 | L Mayer | 6 | $6^7$ | 4 | | | | | | | | | | | 2 | P Carreño Busta | 2 | 3 |
  | | N Jarry | 3 | $7^9$ | 6 | | N Jarry | 6 | $7^8$ | | | | | | | | | | |
  | Q | R Ojeda Lara | 6 | 7 | | Q | R Ojeda Lara | 3 | $6^6$ | | | | | | | | | | |
  | WC | F Ferreira Silva | 4 | 5 | | | | | | | | N Jarry | 2 | 6 | 1 | | | | |
  | Q | T Smyczek | 2 | 2 | | | | | | | 2 | P Carreño Busta | 6 | 2 | 6 | | | | |
  | | N Kicker | 6 | 6 | | | N Kicker | 1 | 5 | | | | | | | | | | |
  | | | | | | 2 | P Carreño Busta | 6 | 7 | | | | | | | | | | |
  
  ## Qualifying
  
  ### Seeds
  
  * Tim Smyczek (qualified)
  * Corentin Moutet (qualifying competition)
  * Alexander Bublik (first round)
  * Simone Bolelli (qualified)
  * Alessandro Giannessi (first round)
  * Stéphane Robert (first round)
  * Jaume Munar (qualifying competition)
  * Kenny de Schepper (first round)
  
  ### Qualifiers
  
  * Tim Smyczek
  * João Domingues
  * Ricardo Ojeda Lara
  * Simone Bolelli
  
  ### Qualifying draw
  
  **First qualifier**
  
  | First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - | - |
  | 1 | Tim Smyczek | 6 | 6 | | | | | |
  | WC | Francisco Cabral | 2 | 1 | | | | | |
  | WC | Francisco Cabral | 2 | 1 | | 1 | Tim Smyczek | 6 | 6 |
  | | | | | | | Fred Gil | 4 | 2 |
  | | Fred Gil | 6 | 1 | 6 | | Fred Gil | 4 | 2 |
  | 8 | Kenny de Schepper | 4 | 6 | 4 | | | | |
  
  **Second qualifier**
  
  | First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - | - | - |
  | 2 | Corentin Moutet | $7^7$ | 2 | 6 | | | | | |
  | | Salvatore Caruso | $6^3$ | 6 | 4 | | | | | |
  | | Salvatore Caruso | $6^3$ | 6 | 4 | 2 | Corentin Moutet | 4 | 6 | 3 |
  | | | | | | | João Domingues | 6 | 2 | 6 |
  | | João Domingues | 7 | 6 | | | João Domingues | 6 | 2 | 6 |
  | 5 | Alessandro Giannessi | 5 | 1 | | | | | | |
  
  **Third qualifier**
  
  | First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - | - |
  | 3 | Alexander Bublik | 5 | 1 | | | | | |
  | | Ricardo Ojeda Lara | 7 | 6 | | | | | |
  | | Ricardo Ojeda Lara | 7 | 6 | | Ricardo Ojeda Lara | 6 | 2 | 6 |
  | | | | | | João Monteiro | 3 | 6 | 3 |
  | | João Monteiro | 6 | $6^5$ | $7^7$ | João Monteiro | 3 | 6 | 3 |
  | 6 | Stéphane Robert | 3 | $7^7$ | $6^4$ | | | | |
  
  **Fourth qualifier**
  
  | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - |
  | 4 | Simone Bolelli | 6 | 6 | | | | |
  | | Félix Auger-Aliassime | 4 | 1 | | | | |
  | | Félix Auger-Aliassime | 4 | 1 | 4 | Simone Bolelli | 6 | 6 |
  | | | | | 7 | Jaume Munar | 1 | 4 |
  | WC | Tiago Cação | 5 | 3 | 7 | Jaume Munar | 1 | 4 |
  | 7 | Jaume Munar | 7 | 6 | | | | |
  