He then reached the quarterfinals of the before losing to.
Since turning professional in 2003, Djokovic has been wearing clothing.
With the win, he rose 11 ranking spots and re-entered the top 10 for the first time since October 2017.
At , his major win streak came to an end in the third-round when he lost to American in four sets.
Djokovic had the chance to become the first man since in 1969 to hold all four major titles at once, having won last year's and titles as well as , but was beaten by Nadal in the final in four sets.
In August, Novak was beaten in the first round of the Olympic men's singles in Rio de Janeiro by.