The 1989 Frankfurt Cup, was a men's tennis tournament played on indoor carpet courts and in Frankfurt, West Germany that was part of the 1989 Grand Prix circuit. It was the third and last edition of the tournament was held from 23 October until 29 October 1989. Third-seeded Kevin Curren won the singles title.[3][4]
It was Aldrich's 3rd and last doubles title of the year and the 4th of his career. It was Visser's 3rd and last doubles title of the year and the 6th of his career
^John Barrett, ed. (1990). The International Tennis Federation : World of Tennis 1990. London: Willow Books. pp. 105, 150. ISBN9780002183550.
^McManus, Jim (2010). History of Tournaments: Professional Tennis Winners and Runner-ups. Pont Vedra Beach: MAC and Company Publishing. pp. 231–232. ISBN9781450728331.