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)