We have now reached the semfinals stage of the competition, with Roger Federer taking on Novak Djokovic to see who will be entering the finals against either Andy Murray or Rafael Nadal who will play a tournament later the same day. All the action happens on Day Thirteen of the US Open, at the USTA Billie Jean King Tennis Center's Arthur Ashe Stadium, on Saturday, September 10^th. Novak Djokovic, seeded number one and from Serbia will play Swiss player and number three seed Roger Federer at 12:00PM, and the Murray and Nadal match will be sometimes after 2:45PM.

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