In mixed doubles, Ullyett won the 2002 Australian Open with Daniela Hantuchová.

Black, Ullyett's compatriot and long-time doubles partner, retired at the end of 2005.

He then played with Paul Hanley for two seasons, then with Jonas Björkman, who retired at the end of 2008, and finally with Brazilian Bruno Soares.

His father, Robert Ullyett, represented Rhodesia (now Zimbabwe) in cricket and field hockey.

[2] He made his final tennis appearance at the South African Open in February 2010 (partnering with Wesley Moodie)[3][4] eighteen years after he first appeared there in 1992 competing in his first ATP Tour event.