L.A. Tennis Challenge

World #1 Novak Djokovic will team with former #1 Pete Sampras to play the top ranked doubles team, the Bryan brothers, in a doubles exhibition. Djokovic also will play Mardy Fish in a singles match, and an opening singles match between two other players will be announced later. Fish and retired player and current broadcaster, Justin Gimelstob are co-hosts. Proceeds from the event will benefit charities of Gimelstob, Fish and Djokovic, along with Call of Cure and the Southern California Tennis Association's community initiatives.