Sinner, Shelton, Djokovic, and Zverev face off for a shot at the final, and we'll show you how to watch the Australian Open semifinals anywhere.

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.

Australians are guaranteed to be crowned champions as two Aussie duos contest the mixed doubles final. Follow live.