Rafael Nadal beats Novak Djokovic to win 2nd U.S. Open title

Rafael Nadal confirmed his status Monday night as the dominant force in men's tennis with a four-set win over world No. 1 Novak Djokovic in the U.S. Open final.

Nadal won 6-2, 3-6, 6-4, 6-1. 

For Nadal, it was his second U.S. Open title and, as importantly, marked a triumphant return to the peak of his powers after a long battle to overcome a knee injury.

Serena Williams wins 5th US Open title

World number one Serena Williams won her fifth US Open title in a thrilling final against Victoria Azarenka at Flushing Meadows.

The American, 31, overcame a determined opponent and a testing wind to win 7-5 6-7 (6-8) 6-1 and repeat last year's final victory against the Belarusian.