Rafael Nadal won his 13th Grand Slam title by edging No. 1 Novak Djokovic 6-2, 3-6, 6-4, 6-1 in a riveting U.S. Open final.

Serena Williams was cruising along in the US Open semifinals, serving up another bagel, when, out of nowhere, a competitive tennis match broke out.

After one set, Andy Murray slammed his racket into the court, then mangled it once he reached his chair on the sideline.