# 1988 Swedish Open – Men's singles

The defending champion was Joakim Nyström but he lost in the quarterfinals to the seventh seeded, Marcelo Filippini from Uruguay, who went on to win 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.
* Joakim Nyström (quarterfinals)
* Magnus Gustafsson (second round)
* Jan Gunnarsson (third round)
* Menno Oosting (second round)
* Horst Skoff (third round)
* Lawson Duncan (second round)
* Marcelo Filippini (champion)
* Udo Riglewski (quarterfinals)
* N/A
* Claudio Pistolesi (third round)
* Christian Bergström (semifinals)
* Fernando Luna (third round)
* Diego Pérez (second round)
* Thierry Champion (third round)
* Alberto Tous (third round)
* Niclas Kroon (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 |
| 7 | Marcelo Filippini | 2 | 6 | 6 | | | | | |
| | Paolo Cane | 6 | 2 | 4 | | | | | |
| | Paolo Cane | 6 | 2 | 4 | 7 | Marcelo Filippini | 2 | 6 | 6 |
| | | | | | | Francesco Cancellotti | 6 | 4 | 4 |
| 11 | Christian Bergström | 4 | 2 | | | Francesco Cancellotti | 6 | 4 | 4 |
| | Francesco Cancellotti | 6 | 6 | | | | | | |

### 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | J Nyström | 4 | 6 | 6 | | | | | | | | | |
| | A Antonisch | 3 | 2 | | | U Stenlund | 6 | 2 | 3 | | | | | | | | | |
| | U Stenlund | 6 | 6 | | | | | | | 1 | J Nyström | 3 | 6 | 6 | | | | |
| Q | P Svensson | 6 | 6 | | | | | | | 16 | N Kroon | 6 | 4 | 1 | | | | |
| | B Stankovič | 2 | 2 | | Q | P Svensson | 6 | 2 | 3 | | | | | | | | | |
| | | | | | 16 | N Kroon | 4 | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | | 1 | J Nyström | 2 | 3 |
| | | | | | | | | | | | | | | | 7 | M Filippini | 6 | 6 |
| | | | | | LL | R Båthman | 7 | 7 | | | | | | | | | | |
| | S Shaw | 3 | 7 | 6 | | S Shaw | 6 | 5 | | | | | | | | | | |
| | F Waern | 6 | 5 | 2 | | | | | | LL | R Båthman | 2 | 7 | 1 | | | | |
| | S Guy | 5 | 7 | 7 | | | | | | 7 | M Filippini | 6 | 6 | 6 | | | | |
| | P Lindgren | 7 | 5 | 5 | | S Guy | 1 | 1 | | | | | | | | | | |
| | | | | | 7 | M Filipinni | 6 | 6 | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 3 | J Gunnarsson | 6 | 7 | | | | | | | | |
| | J-P Fleurian | 6 | 6 | | J-P Fleurian | 3 | 6 | | | | | | | | |
| | F Yunis | 3 | 0 | | | | | 3 | J Gunnarsson | 6 | 1 | | | | |
| | T Nijssen | 3 | 3 | | | | | | P Cane | 7 | 6 | | | | |
| | P Cane | 6 | 6 | | P Cane | 6 | 6 | | | | | | | | |
| | | | | 13 | D Pérez | 1 | 4 | | | | | | | | |
| | | | | | | | | | | | | | P Cane | 6 | 6 |
| | | | | | | | | | | | | 12 | F Luna | 2 | 2 |
| | | | | 12 | F Luna | 6 | 6 | | | | | | | | |
| | J Windahl | 6 | 1 | | M Ingaramo | 3 | 3 | | | | | | | | |
| | M Ingaramo | 7 | 6 | | | | | 12 | F Luna | 6 | 6 | | | | |
| WC | H Sundström | 5 | 0 | | | | | Q | N Kulti | 4 | 2 | | | | |
| Q | N Kulti | 7 | 6 | Q | N Kulti | 6 | 7 | | | | | | | | |
| | | | | 6 | L Duncan | 3 | 5 | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5 | H Skoff | 6 | 6 | | | | | | | | | |
| | H Schwaier | 1 | 6 | 3 | | L Lavalle | 4 | 2 | | | | | | | | | |
| | L Lavalle | 6 | 1 | 6 | | | | | 5 | H Skoff | 6 | 1 | | | | | |
| WC | L-A Wahlgren | 7 | 6 | 6 | | | | | 11 | C Bergström | 7 | 6 | | | | | |
| | L Pimek | 5 | 7 | 7 | | L Pimek | 3 | 1 | | | | | | | | | |
| | | | | | 11 | C Bergström | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | 11 | C Bergström | 1 | 6 | 6 |
| | | | | | | | | | | | | | | K Nováček | 6 | 2 | 3 |
| | | | | | 14 | T Champion | 6 | 6 | | | | | | | | | |
| Q | J Sandberg | 3 | 4 | | WC | L Jönsson | 3 | 4 | | | | | | | | | |
| WC | L Jönsson | 6 | 6 | | | | | | 14 | T Champion | 1 | 4 | | | | | |
| | K Nováček | 6 | 6 | | | | | | | K Nováček | 6 | 6 | | | | | |
| Q | J Báguena | 1 | 2 | | | K Nováček | 6 | 6 | | | | | | | | | |
| | | | | | 4 | M Oosting | 1 | 2 | | | | | | | | | |

#### 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 8 | U Riglewski | 3 | 6 | 6 | | | | | | | | |
| | J Čihák | 6 | 6 | | | J Čihák | 6 | 4 | 2 | | | | | | | | |
| Q | D Engel | 4 | 1 | | | | | | | 8 | U Riglewski | 7 | 6 | | | | |
| | A Moreno | 4 | 6 | 6 | | | | | | 10 | C Pistolesi | 6 | 1 | | | | |
| | P Baur | 6 | 3 | 2 | | A Moreno | 6 | 4 | 5 | | | | | | | | |
| | | | | | 10 | C Pistolesi | 4 | 6 | 7 | | | | | | | | |
| | | | | | | | | | | | | | | 8 | U Riglewski | 3 | 1 |
| | | | | | | | | | | | | | | | F Cancellotti | 6 | 6 |
| | | | | | 15 | A Tous | 4 | 6 | 6 | | | | | | | | |
| WC | T Svantesson | 6 | 2 | | WC | T Svantesson | 6 | 4 | 2 | | | | | | | | |
| | J Navrátil | 3 | 0r | | | | | | | 15 | A Tous | 3 | 1 | | | | |
| | F Cancellotti | 6 | 6 | | | | | | | | F Cancellotti | 6 | 6 | | | | |
| Q | Patrik Wennberg | 2 | 2 | | | F Cancellotti | 7 | 6 | | | | | | | | | |
| | | | | | 2 | M Gustafsson | 6 | 1 | | | | | | | | | |