# 2018 Swedish Open – Singles

David Ferrer was the defending champion, but lost in the second round to Casper Ruud.
Fabio Fognini won the title, defeating Richard Gasquet in the final, 6–3, 3–6, 6–1.

## Seeds

The top four seeds receive a bye into the second round.
* Diego Schwartzman (second round)
* Pablo Carreño Busta (quarterfinals)
* Fabio Fognini (champion)
* Richard Gasquet (final)
* Fernando Verdasco (semifinals)
* Leonardo Mayer (first round)
* David Ferrer (second round)
* John Millman (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 |
| LL | Henri Laaksonen | 2 | 3 | | | | | | |
| 4 | Richard Gasquet | 6 | 6 | | | | | | |
| 4 | Richard Gasquet | 6 | 6 | | 4 | Richard Gasquet | 3 | 6 | 1 |
| | | | | | 3 | Fabio Fognini | 6 | 3 | 6 |
| 3 | Fabio Fognini | 6 | 4 | 7 | 3 | Fabio Fognini | 6 | 3 | 6 |
| 5 | Fernando Verdasco | 1 | 6 | 5 | | | | | |

### 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 | D Schwartzman | 6$^8$ | 3 | | | | | | | | | | |
| | R Carballés Baena | 6 | 3 | 4 | Q | S Bolelli | 7$^{10}$ | 6 | | | | | | | | | | |
| Q | S Bolelli | 4 | 6 | 6 | | | | | | Q | S Bolelli | 6 | 2 | 4 | | | | |
| Q | JI Londero | 3 | 6 | 5 | | | | | | LL | H Laaksonen | 3 | 6 | 6 | | | | |
| LL | H Laaksonen | 6 | 4 | 7 | LL | H Laaksonen | 6 | 6 | | | | | | | | | | |
| | M Berrettini | 3 | 6 | 6 | | M Berrettini | 2 | 2 | | | | | | | | | | |
| 6 | L Mayer | 6 | 3 | 4 | | | | | | | | | | | LL | H Laaksonen | 2 | 3 |
| | | | | | | | | | | | | | | | 4 | R Gasquet | 6 | 6 |
| | | | | | 4 | R Gasquet | 1 | 6 | 6 | | | | | | | | | |
| | G Melzer | 6 | 6 | | | G Melzer | 6 | 3 | 1 | | | | | | | | | |
| Q | C Moutet | 1 | 1 | | | | | | | 4 | R Gasquet | 7$^7$ | 6 | | | | | |
| WC | J Munar | 7$^9$ | 4 | 0 | | | | | | WC | C Ruud | 6$^4$ | 2 | | | | | |
| WC | C Ruud | 6$^7$ | 6 | 6 | WC | C Ruud | 7 | 6 | | | | | | | | | | |
| Q | Z Kolář | 2 | 5 | | 7 | D Ferrer | 5 | 2 | | | | | | | | | | |
| 7 | D Ferrer | 6 | 7 | | | | | | | | | | | | | | | |

### 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 |
| 8 | J Millman | 6 | 6 | | | | | | | | | | | | | | | |
| | G Andreozzi | 0 | 2 | | 8 | J Millman | 4 | 4 | | | | | | | | | | |
| | H Zeballos | 7$^7$ | 2 | 2 | | F Delbonis | 6 | 6 | | | | | | | | | | |
| | F Delbonis | 6$^2$ | 6 | 6 | | | | | | | F Delbonis | 4 | 3 | | | | | |
| | D Istomin | 3 | 3 | | | | | | | 3 | F Fognini | 6 | 6 | | | | | |
| WC | M Ymer | 6 | 6 | | WC | M Ymer | 6 | 4 | 2 | | | | | | | | | |
| | | | | | 3 | F Fognini | 1 | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 3 | F Fognini | 6 | 4 | 7 |
| 5 | F Verdasco | 6 | 3 | 6 | | | | | | | | | | 5 | F Verdasco | 1 | 6 | 5 |
| | L Sonego | 4 | 6 | 1 | 5 | F Verdasco | 6 | 6 | | | | | | | | | | |
| | R Albot | 4 | 3 | | | P Sousa | 3 | 2 | | | | | | | | | | |
| | P Sousa | 6 | 6 | | | | | | | 5 | F Verdasco | 6 | 6 | | | | | |
| | T Monteiro | 6 | 6 | | | | | | | 2 | P Carreño Busta | 4 | 2 | | | | | |
| | E Ymer | 4 | 2 | | | T Monteiro | 4 | 3 | | | | | | | | | | |
| | | | | | 2 | P Carreño Busta | 6 | 6 | | | | | | | | | | |

## Qualifying
### Seeds

* Corentin Moutet (qualified)
* Henri Laaksonen (qualifying competition, lucky loser)
* Calvin Hemery (qualifying competition)
* Simone Bolelli (qualified)
* Cristian Garín (qualifying competition)
* Juan Ignacio Londero (qualified)
* Viktor Galović (qualifying competition)
* Zdeněk Kolář (qualified)

### Qualifiers

* Corentin Moutet
* Juan Ignacio Londero
* Zdeněk Kolář
* Simone Bolelli

### Lucky loser

* Henri Laaksonen

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Corentin Moutet | 0 | 6 | 6 | | | | | |
| WC | Markus Eriksson | 6 | 4 | 2 | | | | | |
| WC | Markus Eriksson | 6 | 4 | 2 | 1 | Corentin Moutet | 6 | 4 | 6 |
| | | | | | 5 | Cristian Garín | 2 | 6 | 3 |
| Alt | Filip Horanský | 3 | 7 | 4 | 5 | Cristian Garín | 2 | 6 | 3 |
| 5 | Cristian Garín | 6 | 5 | 6 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Henri Laaksonen | 4 | 6 | 6 | | | | |
| PR | Santiago Giraldo | 6 | 2 | 4 | | | | |
| PR | Santiago Giraldo | 6 | 2 | 4 | 2 | Henri Laaksonen | 6$^6$ | 4 |
| | | | | | 6 | Juan Ignacio Londero | 7$^8$ | 6 |
| | Miljan Zekić | 4 | 0 | | 6 | Juan Ignacio Londero | 7$^8$ | 6 |
| 6 | Juan Ignacio Londero | 6 | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Calvin Hemery | 7$^7$ | 6 | | | | |
| WC | Rudolf Molleker | 6$^4$ | 3 | | | | |
| WC | Rudolf Molleker | 6$^4$ | 3 | 3 | Calvin Hemery | 2 | 1 |
| | | | | 8/Alt | Zdeněk Kolář | 6 | 6 |
| | Daniel Muñoz de la Nava | 2 | 2 | 8/Alt | Zdeněk Kolář | 6 | 6 |
| 8/Alt | Zdeněk Kolář | 6 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Simone Bolelli | 6 | 6 | | | | |
| | Pedro Martínez | 2 | 3 | | | | |
| | Pedro Martínez | 2 | 3 | 4 | Simone Bolelli | 6 | 6 |
| | | | | 7 | Viktor Galović | 4 | 2 |
| PR | Nicolás Almagro | 2 | 6$^3$ | 7 | Viktor Galović | 4 | 2 |
| 7 | Viktor Galović | 6 | 7$^7$ | | | | |