1986 Swedish Open – Singles
# 1986 Swedish Open – Singles

The defending champion was Mats Wilander but he lost in the final to the sixth seeded, Emilio Sánchez from Spain.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.

* Mats Wilander (final)
* Stefan Edberg (semifinal)
* Joakim Nyström (first round)
* Mikael Pernfors (quarterfinals)
* Miloslav Mečíř (semifinal)
* Emilio Sánchez (champion)
* Eric Jelen (quarterfinals)
* Ulf Stenlund (quarterfinals)

## 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

| 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 | Semifinals | Final | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | M Wilander | 6 | 6 | | | | | | | | | | | | | | | | | | | | | |
| | C Pistolesi | 4 | 2 | | 1 | M Wilander | 6 | 6 | | | | | | | | | | | | | | | | |
| Q | JC Báguena | 6 | 6 | 5 | | T Högstedt | 4 | 2 | | | | | | | | | | | | | | | | |
| | T Högstedt | 3 | 7 | 7 | | | | | | 1 | M Wilander | 6 | 6 | | | | | | | | | | | |
| Q | N Kroon | 0 | 0 | | | | | | | 7 | E Jelen | 0 | 4 | | | | | | | | | | | |
| | P Carlsson | 6 | 6 | | | P Carlsson | 7 | 0 | 4 | | | | | | | | | | | | | | | |
| Q | P Henricsson | 3 | 0 | | 7 | E Jelen | 6 | 6 | 6 | | | | | | | | | | | | | | | |
| 7 | E Jelen | 6 | 6 | | | | | | | | | | | | 1 | M Wilander | 6 | 5 | 6 | | | | | |
| 4 | M Pernfors | 6 | 2 | 6 | | | | | | | | | | | 5 | M Mečíř | 0 | 7 | 3 | | | | | |
| | C Panatta | 3 | 6 | 3 | 4 | M Pernfors | 6 | 7 | | | | | | | | | | | | | | | | |
| | D Keretić | 6 | 0 | 6 | | D Keretić | 3 | 6 | | | | | | | | | | | | | | | | |
| | P Lundgren | 3 | 6 | 3 | | | | | | 4 | M Pernfors | 4 | 2 | | | | | | | | | | | |
| WC | D de Miguel | 7 | 6 | | | | | | | 5 | M Mečíř | 6 | 6 | | | | | | | | | | | |
| | P Moraing | 6 | 0 | | WC | D de Miguel | 4 | 7 | 4 | | | | | | | | | | | | | | | |
| | J Svensson | 1 | 2 | | 5 | M Mečíř | 6 | 6 | 6 | | | | | | | | | | | | | | | |
| 5 | M Mečíř | 6 | 6 | | | | | | | | | | | | | | | | | 1 | M Wilander | 6 | 6 | 4 |
| 6 | E Sánchez | 6 | 6 | | | | | | | | | | | | | | | | | 6 | E Sánchez | 7 | 4 | 6 |
| WC | L-A Wahlgren | 3 | 4 | | 6 | E Sánchez | 6 | 6 | | | | | | | | | | | | | | | | |
| Q | F Rosenquist | 5 | 6 | 6 | Q | F Rosenquist | 1 | 3 | | | | | | | | | | | | | | | | |
| WC | M Tideman | 7 | 0 | 0 | | | | | | 6 | E Sánchez | 6 | 3 | 6 | | | | | | | | | | |
| | M Vajda | 6 | 6 | | | | | | | | P Canè | 3 | 6 | 3 | | | | | | | | | | |
| | S Simonsson | 4 | 1 | | | M Vajda | 6 | 3 | 5 | | | | | | | | | | | | | | | |
| | P Canè | 2 | 6 | 6 | | P Canè | 4 | 6 | 7 | | | | | | | | | | | | | | | |
| 3 | J Nyström | 6 | 4 | 4 | | | | | | | | | | | 6 | E Sánchez | 6 | 6 | | | | | | |
| 8 | U Stenland | 7 | 4 | 6 | | | | | | | | | | | 2 | S Edberg | 3 | 3 | | | | | | |
| | S Casal | 5 | 6 | 2 | 8 | U Stenlund | 2 | 6 | 6 | | | | | | | | | | | | | | | |
| | R Båthman | 1 | 6 | 3 | | S Birner | 6 | 4 | 1 | | | | | | | | | | | | | | | |
| | S Birner | 6 | 1 | 6 | | | | | | 8 | U Stenlund | 0 | 6 | 2 | | | | | | | | | | |
| | JA Rodríguez | 7 | 6 | | | | | | | 2 | S Edberg | 6 | 0 | 6 | | | | | | | | | | |
| | C Campbell | 6 | 4 | | | JA Rodríguez | 3 | 2 | | | | | | | | | | | | | | | | |
| | C Bergström | 3 | 2 | | 2 | S Edberg | 6 | 6 | | | | | | | | | | | | | | | | |
| 2 | S Edberg | 6 | 6 | | | | | | | | | | | | | | | | | | | | | |
