New York: Marriage and preparations for the birth of his first child left Novak Djokovic "a little flat" on the tennis court of late — where better to turn things around than at the US Open.


Novak Djokovic and Jelena Ristic 

Djokovic, the 2011 US Open champion who captured a seventh Grand Slam crown at Wimbledon in July, was still celebrating that title when he married longtime girlfriend Jelena Ristic, and the couple are expecting their first child in less than two months.