# 1989 Stockholm Open – Singles

Boris Becker was the defending champion but lost in the third round to Jan Gunnarsson.
Ivan Lendl won in the final 7–5, 6–0, 6–3 against Magnus Gustafsson.

## Seeds

All sixteen seeds received a bye to the second round.
* Ivan Lendl (champion)
* Boris Becker (third round)
* Stefan Edberg (semifinals)
* Andre Agassi (quarterfinals)
* Aaron Krickstein (third round)
* Alberto Mancini (second round)
* Tim Mayotte (quarterfinals)
* Mats Wilander (semifinals)
* Yannick Noah (second round)
* Thomas Muster (third round)
* Jim Courier (quarterfinals)
* Paolo Canè (second round)
* Horst Skoff (third round)
* Goran Prpić (second round)
* Jan Gunnarsson (quarterfinals)
* Anders Järryd (third 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 |
| 1 | Ivan Lendl | 6 | 2 | 6 | | | | | |
| 3 | Stefan Edberg | 0 | 6 | 3 | | | | | |
| 3 | Stefan Edberg | 0 | 6 | 3 | 1 | Ivan Lendl | 7 | 6 | 6 |
| | | | | | | Magnus Gustafsson | 5 | 0 | 3 |
| | Magnus Gustafsson | 7 | 6 | | | Magnus Gustafsson | 5 | 0 | 3 |
| 8 | Mats Wilander | 6 | 4 | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | I Lendl | 6 | 6 | | | | | | | | | |
| | R Reneberg | 7 | 4 | 5 | | M Pernfors | 3 | 2 | | | | | | | | | |
| | M Pernfors | 6 | 6 | 7 | | | | | | 1 | I Lendl | 6 | 6 | | | | |
| WC | N Kulti | 6 | 6 | | | | | | | 16 | A Järryd | 0 | 2 | | | | |
| | K Nováček | 3 | 3 | | WC | N Kulti | 6 | 6 | 6 | | | | | | | | |
| | | | | | 16 | A Järryd | 7 | 3 | 7 | | | | | | | | |
| | | | | | | | | | | | | | | 1 | I Lendl | 6 | 6 |
| | | | | | | | | | | | | | | 7 | T Mayotte | 2 | 2 |
| | | | | | 9 | Y Noah | 4 | 6 | | | | | | | | | |
| | J Wöhrmann | 6 | 6 | | | J Wöhrmann | 6 | 7 | | | | | | | | | |
| | J Arrese | 4 | 2 | | | | | | | | J Wöhrmann | 1 | 1 | | | | |
| | N Kroon | 3 | 6 | 6 | | | | | | 7 | T Mayotte | 6 | 6 | | | | |
| | J Grabb | 6 | 4 | 3 | | N Kroon | 0 | 1 | | | | | | | | | |
| | | | | | 7 | T Mayotte | 6 | 6 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | S Edberg | 6 | 6 | | | | | | | | | | |
| | J Aguilera | 4 | 4 | | | S Živojinović | 3 | 1 | | | | | | | | | | |
| | S Živojinović | 6 | 6 | | | | | | | 3 | S Edberg | 7 | 6 | | | | | |
| | R Matuszewski | 7 | 6 | 1 | | | | | | 13 | H Skoff | 5 | 0 | | | | | |
| | D Wheaton | 6 | 7 | 6 | | D Wheaton | 6 | 2 | 5 | | | | | | | | | |
| | | | | | 13 | H Skoff | 3 | 6 | 7 | | | | | | | | | |
| | | | | | | | | | | | | | | 3 | S Edberg | 3 | 6 | 6 |
| | | | | | | | | | | | | | | 11 | J Courier | 6 | 3 | 4 |
| | | | | | 11 | J Courier | 7 | 6 | | | | | | | | | | |
| | T Witsken | 6 | 7 | | | T Witsken | 6 | 2 | | | | | | | | | | |
| | P Chamberlin | 3 | 5 | | | | | | | 11 | J Courier | 6 | 1 | | | | | |
| Q | R Båthman | 6 | 7 | | | | | | | 5 | A Krickstein | 2 | 0$^r$ | | | | | |
| | B Orešar | 3 | 6 | | Q | R Båthman | 0 | 7 | 3 | | | | | | | | | |
| | | | | | 5 | A Krickstein | 6 | 6 | 6 | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | A Mancini | 3 | 2 | | | | | | | | | |
| | P Lundgren | 6 | 6 | | | P Lundgren | 6 | 6 | | | | | | | | | |
| | P Sampras | 4 | 4 | | | | | | | | P Lundgren | 5 | 1 | | | | |
| Q | T Nijssen | 6 | 4 | 1 | | | | | | | M Gustafsson | 7 | 6 | | | | |
| | M Gustafsson | 3 | 6 | 6 | | M Gustafsson | 3 | 7 | 6 | | | | | | | | |
| | | | | | 12 | P Canè | 6 | 5 | 4 | | | | | | | | |
| | | | | | | | | | | | | | | | M Gustafsson | 6 | 7 |
| | | | | | | | | | | | | | | 4 | A Agassi | 2 | 6 |
| | | | | | 14 | G Prpić | 2 | 4 | | | | | | | | | |
| | J Svensson | 6 | 6 | | | J Svensson | 6 | 6 | | | | | | | | | |
| | T Carbonell | 4 | 0 | | | | | | | | J Svensson | 3 | 1 | | | | |
| | R Agénor | 4 | 5 | | | | | | | 4 | A Agassi | 6 | 6 | | | | |
| Q | M Šrejber | 6 | 7 | | Q | M Šrejber | 4 | 3 | | | | | | | | | |
| | | | | | 4 | A Agassi | 6 | 6 | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 8 | M Wilander | 5 | 6 | 6 | | | | | | | | | |
| Q | U Riglewski | 6 | 6 | | Q | U Riglewski | 7 | 2 | 2 | | | | | | | | | |
| | A Antonitsch | 4 | 2 | | | | | | | 8 | M Wilander | 6 | 6 | 6 | | | | |
| | C Bergström | 4 | 6 | 5 | | | | | | 10 | T Muster | 4 | 7 | 4 | | | | |
| Q | T Högstedt | 6 | 1 | 7 | Q | T Högstedt | 6 | 3 | 4 | | | | | | | | | |
| | | | | | 10 | T Muster | 4 | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | | 8 | M Wilander | 6 | 6 |
| | | | | | | | | | | | | | | | 15 | J Gunnarsson | 3 | 0 |
| | | | | | 15 | J Gunnarsson | 6 | 6 | | | | | | | | | | |
| Q | P Nyborg | 3 | 6 | 6 | Q | P Nyborg | 3 | 1 | | | | | | | | | | |
| | J Potier | 6 | 3 | 4 | | | | | | 15 | J Gunnarsson | 6 | 7 | | | | | |
| | J Pugh | 6 | 6 | | | | | | | 2 | B Becker | 3 | 5 | | | | | |
| | G Layendecker | 3 | 0 | | | J Pugh | 6 | 0 | 4 | | | | | | | | | |
| | | | | | 2 | B Becker | 3 | 6 | 6 | | | | | | | | | |