Joakim Nyström was the defending champion, but did not participate this year.
Emilio Sánchez won the title, defeating Ricki Osterthun 6–1, 6–3 in the final.
Seeds
Miloslav Mečíř (quarterfinals) Heinz Günthardt (first round) Tomáš Šmíd (second round) Kent Carlsson (quarterfinals) Emilio Sánchez (champion) Broderick Dyke (first round) Sergio Casal (first round) Libor Pimek (second round)
Draw
Finals
Top half
Bottom half
External links 1986 BMW Open draw