Jim Grabb was the World's No. 1 ranked Doubles player in 1989 and 1993. The right-handed serve-and-volleyer won a pair of Grand Slam events: the 1989 French Open (with Patrick McEnroe), and 1992 U.S. Open (with Richey Reneberg). He and Reneberg were also runners-up at Wimbledon in 1992.

Grabb won two Singles titles on the pro tour, 1987 Seoul Grand Prix (d/Andre Agassi), and 1992 Taipei Grand Prix. With various partners, Grabb played a combined 50 Grand Prix-ATP Tour-Grand Slam Doubles finals, winning 23.

His highest World Singles ranking was No. 20 in 1990, and he logged career victories over Michael Chang, Ivan Lendl, Stefan Edberg, Mats Wilander, and Agassi.  He was a member of the 1993 U.S. Davis Cup team.