Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

Djokovic of Serbia celebrates after defeating Roger Federer of Switzerland during their Men's Singles Final match on Day Fourteen of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 13, 2015 in the Flushing neighborhood of the Queens borough of New York City.
Djokovic of Serbia celebrates after defeating Roger Federer of Switzerland during their Men's Singles Final match on Day Fourteen of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 13, 2015 in the Flushing neighborhood of the Queens borough of New York City.

    JUST WATCHED

    Djokovic's big day in the Big Apple

MUST WATCH

Djokovic's big day in the Big Apple

CNN Open Court meets 2015 U.S. Open champion Novak Djokovic the day after he beat Roger Federer in an epic final.

Djokovic's big day in the Big Apple

CNN Open Court meets 2015 U.S. Open champion Novak Djokovic the day after he beat Roger Federer in an epic final.