Career
In 1989 he reached the semi-finals of Australian Open where lost in straight sets to Miloslav Mečíř. The Swedish/Danish duo defeated John Frawley and Víctor Pecci in the first round. The right-hander reached his career-high Association of Tennis Professionals singles ranking of World Number.
25 in December 1985.
Gunnarsson was an expert commentator for the Summer 2012 Olympic Games. His position on Swedish television became controversial after he made xenophobic comments in response to negative comments made by the Swedish Culture and Sports Minister Lena Adelsohn Liljeroth about financial support for future Swedish applications for major championships. On his Facebook page, Gunnarsson posted the comment, "There"s not enough money when the state is paying welfare for 27,000 Somalis." His comment was criticized by SVT"s sports editor Per Yng, and he removed the comment shortly after.
Doubles (9 titles, 10 runner-ups).