Novak Djokovic, Australian Open and Alexander Zverev

Novak Djokovic's semifinal match vs. Alexander Zverev at the Australian Open ended far sooner than the Serbian tennis star—or ...
Alexander Zverev urges fans not to boo Novak Djokovic, who retired in the Australian Open Semifinals due to injury ...
An injured Novak Djokovic quit because of a torn muscle in his left leg after dropping the first set of his Australian Open ...
Injured Djokovic decides not to continue after losing first set as Zverev reaches his first Australian Open final ...
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.
Novak Djokovic was forced to retire hurt from the Australian Open semifinals - and the Serbian may not be back in action ...