# 1990 Swedish Open – Men's singles

The defending champion was Paolo Canè but he did not participate, in 1990. The fourth seeded, Richard Fromberg from Australia won the singles title.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
* Guillermo Pérez Roldán (second round)
* Mats Wilander (second round)
* Goran Prpić (quarterfinals)
* Richard Fromberg (champion)
* N/A
* Paul Haarhuis (first round)
* Jan Gunnarsson (first round)
* Aki Rahunen (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 | Final | Final | Final | Final |
| 1 | G Pérez Roldán | 6 | 6 | | | | | | | | | | | | | | | | | | | |
| WC | T Enqvist | 4 | 2 | | 1 | G Pérez Roldán | 4 | 7 | 3 | | | | | | | | | | | | | |
| | N Kroon | 5 | 6 | 3 | | L Jönsson | 6 | 5 | 6 | | | | | | | | | | | | | |
| | L Jönsson | 6 | 3 | 6 | | | | | | | L Jönsson | 6 | 6 | | | | | | | | | |
| Q | J Apell | 1 | 1 | | | | | | | | V Paloheimo | 1 | 2 | | | | | | | | | |
| | V Paloheimo | 6 | 6 | | | V Paloheimo | 6 | 7 | | | | | | | | | | | | | | |
| | D Engel | 6 | 6 | | | D Engel | 2 | 5 | | | | | | | | | | | | | | |
| 7 | J Gunnarsson | 2 | 0 | | | | | | | | | | | | | L Jönsson | 4 | 2 | | | | |
| 4 | R Fromberg | 7 | 7 | | | | | | | | | | | | 4 | R Fromberg | 6 | 6 | | | | |
| | M Vajda | 6 | 5 | | 4 | R Fromberg | 6 | 6 | 7 | | | | | | | | | | | | | |
| Q | R Båthman | 6 | 3 | 4 | WC | N Utgren | 7 | 3 | 6 | | | | | | | | | | | | | |
| WC | N Utgren | 1 | 6 | 6 | | | | | | 4 | R Fromberg | 7 | 6 | | | | | | | | | |
| LL | M Nilsson | 7 | 5 | 7 | | | | | | | D Pérez | 5 | 3 | | | | | | | | | |
| | J Altur | 6 | 7 | 6 | LL | M Nilsson | 2 | 3 | | | | | | | | | | | | | | |
| | D Pérez | 7 | 1 | 6 | | D Pérez | 6 | 6 | | | | | | | | | | | | | | |
| 6 | P Haarhuis | 6 | 6 | 3 | | | | | | | | | | | | | | | 4 | R Fromberg | 6 | 7 |
| LL | J Carlsson | 0 | 6 | 6 | | | | | | | | | | | | | | | | M Larsson | 2 | 6 |
| | U Riglewski | 6 | 3 | 4 | LL | J Carlsson | 4 | 4 | | | | | | | | | | | | | | |
| | M Larsson | 6 | 6 | | | M Larsson | 6 | 6 | | | | | | | | | | | | | | |
| | F Santoro | 3 | 1 | | | | | | | | M Larsson | 6 | 4 | 6 | | | | | | | | |
| Q | P Henricsson | 6 | 6 | | | | | | | 3 | G Prpić | 3 | 6 | 3 | | | | | | | | |
| | T Tulasne | 4 | 4 | | Q | P Henricsson | 3 | 6 | 3 | | | | | | | | | | | | | |
| | M Strelba | 6 | 5 | 6 | 3 | G Prpić | 6 | 4 | 6 | | | | | | | | | | | | | |
| 3 | G Prpić | 1 | 7 | 7 | | | | | | | | | | | | M Larsson | 6 | 6 | | | | |
| 8 | A Rahunen | 6 | 6 | | | | | | | | | | | | | M Filippini | 4 | 1 | | | | |
| | L Wahlgren | 1 | 2 | | 8 | A Rahunen | 6 | 6 | | | | | | | | | | | | | | |
| WC | N Kulti | 6 | 6 | | WC | N Kulti | 4 | 0 | | | | | | | | | | | | | | |
| Q | O Kristiansson | 1 | 2 | | | | | | | 8 | A Rahunen | 1 | 3 | | | | | | | | | |
| | M Filippini | 6 | 6 | | | | | | | | M Filippini | 6 | 6 | | | | | | | | | |
| | B Orešar | 3 | 2 | | | M Filippini | 6 | 3 | 7 | | | | | | | | | | | | | |
| | J Anderson | 0 | 3 | | 2 | M Wilander | 2 | 6 | 6 | | | | | | | | | | | | | |
| 2 | M Wilander | 6 | 6 | | | | | | | | | | | | | | | | | | | |