Novak Djokovic says he's "back to business" but it looks like he's still flying on cloud nine and having fun during his offseason after an incredible comeback in 2018. 

The Serbian started slow in the first five months of the year, with many doubting whether he'd return to his once dominant form. Djokovic proved he could, and then some, by winning Wimbledon, Cincinnati, the US Open and Shanghai. 


Thank you ???? Hvala ????????????

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He got to Grand Slam No. 14 to tie Pete Sampras's record, became the first man to win all ATP Masters 1000 titles in his career and  captured the year-end No. 1 ranking. 

There's no reason he can't enjoy his offseason a little bit: 


Back to business????@salif_crookboyz

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The 31-year-old ended his season with a loss to Alexander Zverev in the final of the year-end championships in London. He'll still start the new year at No. 1.