Justin Gimelstob Charged With Assault.

Tennis Channel commentator and former professional tennis player Justin Gimelstob has been charged with assault, the Los Angeles Country District Attorneys Office announced on Thursday.

According to the New York Times, Kaplan, a former friend of Gimelstobs, told police that Gimelstob attacked him without warning from behind, hitting him at least 50 times.

A frequent contributor to Tennis Channel, Gimelstob is an elected official of the Association of Tennis Professionals , one of the sports seven governing bodies.