Retiring Novak Djokovic booed as Alexander Zverev tells off Australian Open crowd

Novak Djokovic retired from the Australian Open semi-final due to a torn muscle, ending his bid to become the oldest grand slam champion. Opponent Alexander Zverev called for respect from the crowd towards Djokovic, praising the Serbian’s dedication to the sport. Djokovic confirmed the injury hindered his performance, stating he had not been able to train before the match, leading to his early exit from the tournament.

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