Rafael Nadal called his rival's 23 major titles "a number that just a few years back was impossible to think about," as Genie Bouchard hailed Djokovic as "the undisputed GOAT".

The American fell in the second round at the BNP Paribas Open.

The American filmed a new episode of "Bag Check" for Tennis Channel and more at Indian Wells.

Before heading out to Indian Wells, the American worked on his return of serve in Tennessee.

The American got in a solid practice before singing a new tune.

The American finds a way to keep spirits high, as he walks through being defaulted for the first time in his career in Cary, North Carolina.

The American did the ultimate challenge with his new workout equipment during the men's US Open semifinal.

The American enjoyed a sweet hit with countryman Jack Sock on Arthur Ashe stadium.

The American will face world No. 63 Ilya Ivashka in the opening round.

The American fell to countryman Tommy Paul in the second round of Cincinnati qualifying.