Career
They were runner-up at the Wimbledon mixed doubles tournament in 1993. In 1992 Nijssen and Helena Suková were the United States Open mixed doubles finalists. Nijssen"s highest Association of Tennis Professionals singles ranking was World Number.
87 on 17 April 1989.
He reached his best Association of Tennis Professionals doubles ranking on 11 May 1992 when he became Number. 10. Doubles performance timeline.