Defending champion Jannik Sinner will look to seal back-to-back Australian Open titles and deny second seed Alexander Zverev a maiden Grand Slam crown in the men's final on Sunday. Also on Sunday, the women's doubles final sees top seeds Katerina Siniakova and Taylor Townsend face Taiwan's Hsieh Su-Wei and Latvian Jelena Ostapenko.

Zverev got his spot in the Australian Open final — play is scheduled to start at 7:30 p.m. local time (3:30 a.m. EST) on Sunday — when 24-time major champion Novak Djokovic stopped playing because of a leg injury just one set into their semifinal on Friday.

"Point extender" Alexander Zverev will ensure that the Australian Open final against defending champion Jannik Sinner is "going to be physical".

Jannik Sinner is world No. 1 -- and the defending Australian Open champion. Can Alexander Zverev upset him? Our experts weigh in.

Thanks to the time difference in Melbourne Park, Australia, the Australian Open men's final match will begin at 3:30 a.m. ET. Here's what you need to know and how to watch the Jannik Sinner vs. Alexander Zverev match.

Jannik Sinner and Alexander Zverev are set to clash in the Australian Open final and there will be fireworks when the top two men in the game clash in Melbourne. Sinner is aiming to defend his Australian Open title against a rival aiming to win his first Grand Slam title,

Jannik Sinner is not only aiming to defend his Australian Open title but also clinch his third Grand Slam triumph, while Alexander Zverev will look to make his dream come true to become the Grand Slam champion.