Novak Djokovic

RECORD: Andy Murray to be oldest first time World No. 1 since 1974

Novak Djokovic retains top spot in ATP rankings

IN PICS: Best Moments Of 2016 US Open Final Between Novak Djokovic And Stan Wawrinka

US Open 2016: Stan Wawrinka wears down Novak Djokovic for 3rd Grand Slam title

US Open 2016 Final: Novak Djokovic vs Stan Wawrinka

US Open 2016: After 'strange' win; Novak Djokovic to face Stan Wawrinka in final

US Open 2016: Another free pass sets up Djokovic's semifinal against Monfils

US Open 2016: Just 32 minutes of Tennis, Novak Djokovic reaches 4th round

US Open: Novak Djokovic wins despite right arm trouble Jerzy Janowicz

For US Open's new roof, a question of changing conditions

Rio Olympics: World No. 1 Novak Djokovic ousted in 1st round

'Big 4' of men's tennis cares about chasing Olympic medals