Novak Djokovic throws his ailing 37-year-old body into an Australian Open semi-final against Alexander Zverev on Friday while defending champion Jannik Sinner faces Ben Shelton.

Sinner toppled de Minaur 6-3, 6-2, 6-1 in an hour and 48 minutes at Rod Laver Arena, shuttering the dreams of the home nation. De Minaur will have to find improvements to become a ...