He is the son of Don and Velia Black, and the brother of Cara Black and Byron Black. He attended the University of Southern California and was an All-American in singles and doubles (1993, 1994).
Black retired from the doubles circuit at the end of 2005. He won two men’s doubles Grand Slam titles (2001 U.S. Open and 2005 Australian Open) with compatriot Kevin Ullyett and two Grand Slam mixed doubles titles (2002 French Open and 2004 Wimbledon) with sister Cara. As a junior Wayne played league tennis for Highlands Sports Club in Harare. Black reached his career-high doubles ranking of 4 on 31 January 2005, following his second Grand Slam title win at the 2005 Australian Open with compatriot Kevin Ullyett. Black, like his two siblings, was a doubles specialist.
With compatriot Kevin Ullyett, Black won two men’s doubles titles. They were constantly number one in the world, finishing in the top five for five seasons.