# 2017 Estoril Open – Singles

Nicolás Almagro was the defending champion, but lost in the quarterfinals to Pablo Carreño Busta.
Carreño Busta went on to win the title, defeating Gilles Müller in the final, 6–2, 7–6$^{(7–5)}$.

## Seeds

The top four seeds receive a bye into the second round.
* Pablo Carreño Busta (champion)
* Richard Gasquet (quarterfinals)
* Gilles Müller (final)
* David Ferrer (semifinals)
* Juan Martín del Potro (second round, withdrew)
* João Sousa (first round)
* Kyle Edmund (first round)
* Benoît Paire (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 | Final | Final | Final | Final |
| 1 | Pablo Carreño Busta | 6 | 6 | | | | |
| 4/WC | David Ferrer | 3 | 3 | | | | |
| 4/WC | David Ferrer | 3 | 3 | 1 | Pablo Carreño Busta | 6 | 7$^7$ |
| | | | | 3 | Gilles Müller | 2 | 6$^5$ |
| 3 | Gilles Müller | 7 | 6 | 3 | Gilles Müller | 2 | 6$^5$ |
| | Kevin Anderson | 5 | 4 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | P Carreño Busta | 7$^7$ | 7 | | | | | | | | |
| PR | T Robredo | 6 | 6 | | PR | T Robredo | 6$^5$ | 5 | | | | | | | | |
| | E Donskoy | 3 | 2 | | | | | | 1 | P Carreño Busta | 6 | 6 | | | | |
| | G Elias | 6 | 3 | 6 | | | | | | N Almagro | 2 | 4 | | | | |
| | M Jaziri | 4 | 6 | 3 | | G Elias | 1 | 2 | | | | | | | | |
| | N Almagro | 6 | 6 | | | N Almagro | 6 | 6 | | | | | | | | |
| 8 | B Paire | 3 | 2 | | | | | | | | | | 1 | P Carreño Busta | 6 | 6 |
| | | | | | | | | | | | | | 4/WC | D Ferrer | 3 | 3 |
| | | | | | 4/WC | D Ferrer | 6 | 6 | | | | | | | | |
| WC | F Ferreira Silva | 6 | 6 | | WC | F Ferreira Silva | 3 | 4 | | | | | | | | |
| | D Istomin | 2 | 2 | | | | | | 4/WC | D Ferrer | 6 | 6 | | | | |
| | R Harrison | 6 | 2 | 6 | | | | | | R Harrison | 4 | 0 | | | | |
| | G García López | 3 | 6 | 2 | | R Harrison | w/o | | | | | | | | | |
| | Y Sugita | 1 | 3 | | 5 | JM del Potro | | | | | | | | | | |
| 5 | JM del Potro | 6 | 6 | | | | | | | | | | | | | |

### 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 |
| 6 | J Sousa | 3 | 4 | | | | | | | | | | | | | | | |
| Q | B Fratangelo | 6 | 6 | | Q | B Fratangelo | 4 | 4 | | | | | | | | | | |
| | T Daniel | 7$^7$ | 4 | 7 | | T Daniel | 6 | 6 | | | | | | | | | | |
| | R Olivo | 6$^2$ | 6 | 5 | | | | | | | T Daniel | 7 | 2 | 3 | | | | |
| | P-H Mathieu | 6 | 4 | 0$^r$ | | | | | | 3 | G Müller | 5 | 6 | 6 | | | | |
| WC | P Sousa | 3 | 6 | 0 | WC | P Sousa | 3 | 2 | | | | | | | | | | |
| | | | | | 3 | G Müller | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 3 | G Müller | 7 | 6 |
| 7 | K Edmund | 4 | 6 | 6$^2$ | | | | | | | | | | | | K Anderson | 5 | 4 |
| Q | J Domingues | 6 | 3 | 7$^7$ | Q | J Domingues | 7 | 3 | 5 | | | | | | | | | |
| Q | S Caruso | 2 | 3 | | | K Anderson | 5 | 6 | 7 | | | | | | | | | |
| | K Anderson | 6 | 6 | | | | | | | | K Anderson | 6 | 3 | 7$^7$ | | | | |
| | C Berlocq | 7 | 6 | | | | | | | 2 | R Gasquet | 2 | 6 | 6$^3$ | | | | |
| Q | E Ymer | 5 | 4 | | | C Berlocq | 1 | 4 | | | | | | | | | | |
| | | | | | 2 | R Gasquet | 6 | 6 | | | | | | | | | | |

## Qualifying
### Seeds

* Ernesto Escobedo (qualifying competition)
* Andrey Rublev (qualifying competition)
* Íñigo Cervantes (first round)
* Kenny de Schepper (qualifying competition)
* Bjorn Fratangelo (qualified)
* Federico Gaio (first round)
* Ernests Gulbis (first round, retired)
* Elias Ymer (qualified)

### Qualifiers

* Elias Ymer
* Bjorn Fratangelo
* João Domingues
* Salvatore Caruso

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Ernesto Escobedo | 6$^3$ | 6 | 6 | | | | |
| | Nicolás Jarry | 7$^7$ | 4 | 4 | | | | |
| | Nicolás Jarry | 7$^7$ | 4 | 4 | 1 | Ernesto Escobedo | 1 | 4 |
| | | | | | 8 | Elias Ymer | 6 | 6 |
| WC | João Monteiro | 5 | 7$^7$ | 4 | 8 | Elias Ymer | 6 | 6 |
| 8 | Elias Ymer | 7 | 6$^3$ | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Andrey Rublev | 6 | 7$^7$ | | | | | |
| | Sam Groth | 2 | 6$^4$ | | | | | |
| | Sam Groth | 2 | 6$^4$ | | 2 | Andrey Rublev | 5 | 3 |
| | | | | | 5 | Bjorn Fratangelo | 7 | 6 |
| | Enrique López Pérez | 6 | 6$^0$ | 4 | 5 | Bjorn Fratangelo | 7 | 6 |
| 5 | Bjorn Fratangelo | 3 | 7$^7$ | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Íñigo Cervantes | 1 | 3 | | | | |
| WC | Gonçalo Oliveira | 6 | 6 | | | | |
| WC | Gonçalo Oliveira | 6 | 6 | WC | Gonçalo Oliveira | 4 | 2 |
| | | | | | João Domingues | 6 | 6 |
| | João Domingues | 6 | 0 | | João Domingues | 6 | 6 |
| 7 | Ernests Gulbis | 1 | 0$^r$ | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Kenny de Schepper | 7$^7$ | 6 | | | | |
| | Tristan Lamasine | 6$^5$ | 2 | | | | |
| | Tristan Lamasine | 6$^5$ | 2 | 4 | Kenny de Schepper | 3 | 6$^1$ |
| | | | | | Salvatore Caruso | 6 | 7$^7$ |
| | Salvatore Caruso | 6 | 6 | | Salvatore Caruso | 6 | 7$^7$ |
| 6 | Federico Gaio | 1 | 2 | | | | |