Novak Djokovic dramatically retired from his Australian Open semi-final to a chorus of boos from sections of the Rod Laver ...
On Friday, Djokovic battled World No. 2 Alexander Zverev for 81 minutes in their semifinal match. However, Djokovic immediately retired after losing a 5-6 tiebreak in the first set.
Djokovic, who retired due to injury after the first set, was booed by the crowd as he walked off Rod Laver Arena.