Novak Djokovic, Australian Open and Alexander Zverev

Djokovic, who retired due to injury after the first set, was booed by the crowd as he walked off Rod Laver Arena.
Novak Djokovic posted a scan of his injured left hamstring on social media early Sunday, more than 24 hours after being booed ...
Alexander Zverev said that Jannik Sinner is as good as Novak Djokovic at his peak and on "a different universe" after the ...