Novak Djokovic is 37 and was forced to stop playing because of an injury at two of the past four Grand Slam tournaments.

Spectators booed an injured Novak Djokovic as he left the court in Rod Laver Arena after quitting one set into his Australian ...

Parts of the crowd at Rod Laver Arena booed Novak Djokovic when he medically retired from his Australian Open semifinal clash ...

Jannik Sinner v Alexander Zverev start time and how to watch Australian Open final - The top two seeds clash in the final as ...