No. 19 Tommy Haas and No. 99 James Blake pose for photos on the red carpet before facing off in the Los Angeles Tennis Challenge's opening match.
Yeardley Smith, voice of Lisa on "The Simpsons", attended the event at Pauley Pavilion.
David Walton was one of many celebrities interviewed on the red carpet before the event began.
World No. 1 Novak Djokovic speaks on the red carpet while holding a friendly young spectator who leaped into his arms.
No. 19 Tommy Haas hits a forehand on the way to a 7Ð5 win over No. 99 James Blake.
Co-host Justin Gimelstob attempts to fix the net after it was broken by a Tommy Haas serve. The match was delayed approximately 20 minutes as the net was fixed.
Tommy Haas watches as a ball girl rallies with James Blake while the net was being repaired.
Tommy Haas serves the ball to James Blake during the event's first match.
No. 99 James Blake signs autographs while the net was broken during his match with No. 19 Tommy Haas.
Fans reach for the ball Tommy Haas served out of bounds.
Actress Jodie Foster (bottom right) attended Monday's LA Tennis Challenge.
No. 99 James Blake hits a forehand in his match against No. 19 Tommy Haas. Haas won in a tiebreaker.
James Blake and Tommy Haas shake hands after Haas defeated Blake in a tiebreak.
Dancers perform a kolo, a Serbian cultural dance, to welcome Serbian tennis player Novak Djokovic. Djokovic had never played a match in Los Angeles.
No. 1 Novak Djokovic hits a forehand during his singles match with Mardy Fish. Djokovic won in a tiebreaker, 7Ð2.
World No. 1 Novak Djokovic jokes with fans by shaking his back side while waiting for a serve.
No. 1 Novak Djokovic celebrates winning a point against Mardy Fish.
Novak Djokovic celebrates after defeating Mardy Fish in their match.
Mardy Fish and No. 1 Novak Djokovic embrace after Djokovic won their singles match.
Freshman forward Kyle Anderson of the men's basketball team attended the Los Angeles Tennis Challenge Monday night.
Dr. Phil McGraw was one of the celebrities in attendance at the Los Angeles Tennis Challenge.
Rainn Wilson from The Office takes on the role of chair umpire during the doubles match.
Pete Sampras serves in his doubles match against the Bryan brothers.
Mike Bryan serves the ball against the Djokovic and Sampras duo.
Former UCLA tennis player, Justin Gimelstob, co-created The Los Angeles Tennis Challenge along with Mardy Fish.
Freshman Karue Sell, sophomore Marcos Giron and freshman Seth Stolar were members of the mens tennis team who attended the event.
Current No.1-ranked Novak Djokovic jokes with his doubles partner, former No. 1 Pete Sampras.
Tennis player Mike Bryan throws popcorn at actor Rainn Wilson. Wilson acted as the chair umpire during the Bryan team's doubles match.
Bob and Mike Bryan horse around during their doubles match.
Mike Bryan extends for a forehand during his doubles match against Novak Djokovic and Pete Sampras.
Pete Sampras and co-host Justin Gimelstob talk after the main lights in Pauley Pavilion shut off during the evening's final match. The players played out the match in partial darkness.
World No. 1 Novak Djokovic signs autographs after the conclusion of his second match.
World No. 1 Novak Djokovic poses for a photo with actor Bruce Willis.