Kent Carlsson was the defending champion, but did not compete this year. He played his last professional tournament in July at Kitzbühel before retiring from professional tennis in May 1990.

Franco Davín won the title by defeating Juan Aguilera 6–2, 6–2 in the final.

Seeds

Draw

Finals

Top half

Bottom half

References

External links Official results archive (ATP) Official results archive (World Tennis)