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 is 37 and was forced to stop playing because of an injury at two of the past four Grand Slam tournaments.
Novak Djokovic faces Alexander Zverev in the semi-finals of the Australian Open on Friday with the Serb's bid for a record ...
Novak Djokovic got the better of Carlos Alcaraz again, while American Coco Gauff was dumped out of the women's singles in ...