Australian Open: Injured Novak Djokovic booed after withdrawing, setting up final between Alexander Zverev and defending champion Jannik Sinner
In a stunning development at the Australian Open, Novak Djokovic withdrew because of injury after losing the first set of his semifinal match versus Alexander Zverev. Zverev, the No. 2 seed, won a grueling first set in a 7–6 tiebreaker that lasted one hour and 26 minutes.