# 2017 Stockholm Open – Singles

Juan Martín del Potro was the defending champion and successfully defended his title, defeating Grigor Dimitrov in the final, 6–4, 6–2.

## Seeds

The top four seeds receive a bye into the second round.
* Grigor Dimitrov (final)
* Kevin Anderson (quarterfinals)
* Jack Sock (quarterfinals)
* Juan Martín del Potro (champion)
* Mischa Zverev (quarterfinals)
* Fabio Fognini (semifinals)
* Yūichi Sugita (quarterfinals)
* Fernando Verdasco (semifinals)

## 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 |
| 1 | Grigor Dimitrov | 6 | 7$^7$ | | | | | |
| 6 | Fabio Fognini | 3 | 6$^2$ | | | | | |
| 6 | Fabio Fognini | 3 | 6$^2$ | | 1 | Grigor Dimitrov | 4 | 2 |
| | | | | | 4 | Juan Martín del Potro | 6 | 6 |
| 4 | Juan Martín del Potro | 6$^4$ | 6 | 7$^7$ | 4 | Juan Martín del Potro | 6 | 6 |
| 8 | Fernando Verdasco | 7$^7$ | 4 | 6$^1$ | | | | |

### 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 | G Dimitrov | 7 | 7$^7$ | | | | | | | | | | |
| | P-H Herbert | 2 | 6 | 3 | Q | J Janowicz | 5 | 6$^5$ | | | | | | | | | | |
| Q | J Janowicz | 6 | 3 | 6 | | | | | | 1 | G Dimitrov | 6 | 6 | | | | | |
| | V Troicki | 6 | 6 | | | | | | | 5/WC | M Zverev | 3 | 4 | | | | | |
| Q | S Bolelli | 3 | 3 | | | V Troicki | 2 | 3 | | | | | | | | | | |
| WC | M Ymer | 6 | 5 | 4 | 5/WC | M Zverev | 6 | 6 | | | | | | | | | | |
| 5/WC | M Zverev | 1 | 7 | 6 | | | | | | | | | | | 1 | G Dimitrov | 6 | 7$^7$ |
| | | | | | | | | | | | | | | | 6 | F Fognini | 3 | 6$^2$ |
| | | | | | 3 | J Sock | 6 | 6 | | | | | | | | | | |
| | J Chardy | 6 | 7 | | | J Chardy | 4 | 4 | | | | | | | | | | |
| | A Giannessi | 0 | 5 | | | | | | | 3 | J Sock | 7$^7$ | 6$^2$ | 5 | | | | |
| | L Mayer | 4 | 6 | 5 | | | | | | 6 | F Fognini | 6$^3$ | 7$^7$ | 7 | | | | |
| WC | E Ymer | 6 | 3 | 7 | WC | E Ymer | 4 | 6 | 6$^7$ | | | | | | | | | |
| | M Jaziri | 5 | 1 | | 6 | F Fognini | 6 | 3 | 7$^9$ | | | | | | | | | |
| 6 | F Fognini | 7 | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | Y Sugita | 1 | 6 | 7$^7$ | | | | | | | | | | | | | | |
| | D Istomin | 6 | 3 | 6$^4$ | 7 | Y Sugita | 6 | 3 | 6 | | | | | | | | | |
| | N Gombos | 3 | 4 | | | M Baghdatis | 3 | 6 | 2 | | | | | | | | | |
| | M Baghdatis | 6 | 6 | | | | | | | 7 | Y Sugita | 2 | 6$^6$ | | | | | |
| | M Copil | 7$^7$ | 4 | 6$^{12}$ | | | | | | 4 | JM del Potro | 6 | 7$^8$ | | | | | |
| | J-L Struff | 6$^2$ | 6 | 7$^{14}$ | | J-L Struff | 2 | 6$^6$ | | | | | | | | | | |
| | | | | | 4 | JM del Potro | 6 | 7$^8$ | | | | | | | | | | |
| | | | | | | | | | | | | | | 4 | JM del Potro | 6$^4$ | 6 | 7$^7$ |
| 8 | F Verdasco | 6 | 6 | | | | | | | | | | | 8 | F Verdasco | 7$^7$ | 4 | 6$^1$ |
| | R Haase | 3 | 1 | | 8 | F Verdasco | 6 | 6 | | | | | | | | | | |
| Q | L Lacko | 4 | 7$^7$ | 2 | LL | J Zopp | 4 | 2 | | | | | | | | | | |
| LL | J Zopp | 6 | 6$^1$ | 6 | | | | | | 8 | F Verdasco | 7$^7$ | 7$^7$ | | | | | |
| Q | M Fucsovics | 3 | 2 | | | | | | | 2 | K Anderson | 6$^1$ | 6$^1$ | | | | | |
| | H Chung | 6 | 6 | | | H Chung | 3 | 2 | | | | | | | | | | |
| | | | | | 2 | K Anderson | 6 | 6 | | | | | | | | | | |

## Qualifying
### Seeds

* Márton Fucsovics (qualified)
* Lukáš Lacko (qualified)
* Casper Ruud (first round)
* Jerzy Janowicz (qualified)
* Stefano Napolitano (first round)
* Marco Trungelliti (first round)
* Jürgen Zopp (qualifying competition, lucky loser)
* Tim Smyczek (qualifying competition)

### Qualifiers

* Márton Fucsovics
* Lukáš Lacko
* Simone Bolelli
* Jerzy Janowicz

### Lucky losers

* Jürgen Zopp

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Márton Fucsovics | 6 | 6 | | | | | |
| WC | Karl Friberg | 0 | 3 | | | | | |
| WC | Karl Friberg | 0 | 3 | | 1 | Márton Fucsovics | 6 | 6 |
| | | | | | 8 | Tim Smyczek | 4 | 0 |
| | Stéphane Robert | 6$^4$ | 6 | 4 | 8 | Tim Smyczek | 4 | 0 |
| 8 | Tim Smyczek | 7$^7$ | 1 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Lukáš Lacko | 6 | 6 | | | | | | |
| | Viktor Galović | 4 | 3 | | | | | | |
| | Viktor Galović | 4 | 3 | | 2 | Lukáš Lacko | 6$^5$ | 7$^7$ | 6 |
| | | | | | | Zdeněk Kolář | 7$^7$ | 6$^3$ | 3 |
| | Zdeněk Kolář | 7$^9$ | 3 | 6 | | Zdeněk Kolář | 7$^7$ | 6$^3$ | 3 |
| 6 | Marco Trungelliti | 6$^7$ | 6 | 3 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Casper Ruud | 4 | 4 | | | | |
| | Simone Bolelli | 6 | 6 | | | | |
| | Simone Bolelli | 6 | 6 | Simone Bolelli | 6 | 1 | 7$^7$ |
| | | | | Illya Marchenko | 3 | 6 | 6$^2$ |
| | Illya Marchenko | 6 | 6 | Illya Marchenko | 3 | 6 | 6$^2$ |
| 5 | Stefano Napolitano | 1 | 2 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Jerzy Janowicz | 6$^1$ | 7 | 6 | | | | | |
| | Andrea Arnaboldi | 7$^7$ | 5 | 1 | | | | | |
| | Andrea Arnaboldi | 7$^7$ | 5 | 1 | 4 | Jerzy Janowicz | 6 | 6$^3$ | 6 |
| | | | | | 7 | Jürgen Zopp | 1 | 7$^7$ | 4 |
| WC | Fred Simonsson | 4 | 2 | | 7 | Jürgen Zopp | 1 | 7$^7$ | 4 |
| 7 | Jürgen Zopp | 6 | 6 | | | | | | |