1990 BMW Open – Singles

Andrei Chesnokov was the defending champion, but did not participate this year. Karel Nováček won the title, defeating Thomas Muster 6–4, 6–2 in the final.

1990 BMW Open – Singles

Andrei Chesnokov was the defending champion, but did not participate this year. Karel Nováček won the title, defeating Thomas Muster 6–4, 6–2 in the final.