Impeccable Nole is the 2015 US Open champion! With a simply outstanding performance, nerves of steel and heart of a lion, Novak defeated five-time former titlist Roger Federer 6-4, 5-7, 6-4, 6-4 to win his second US Open crown and 10th Grand Slam trophy. The clash of the titans lasted three hours and 20 minutes. Djokovic captured his third major title in 2015 and 55th career singles title.