Answer: Novak Djokovic
Notes: In the US Open Tennis, Novak Djokovic of Serbia won the Men's singles final by defeating Juan Martin del Potro of Argentina 6-3, 7-6, 6-3 in straight sets. It was Djokovic's 14th Grand Slam title and the third US Open title. With this win, he has equalled Pete Sampras's mark of 14 Grand Slams. He is now just three Slams behind Rafael Nadal and six back from the record 20 held by Roger Federer.
