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.

O nly 23 years old, World No. 1 men's tennis player Jannik Sinner will face No. 2 Alexander Zverev in Sunday's final. A win would give Sinner a similarly impressive five-major run

The 2025 Australian Open has been a bit wonky for U.S. viewers thanks to the time difference in The Land Down Under. The men's final match between Jannik Sinner and Alexander Zverev will begin at 3:30 a.m. ET tonight (or technically, early tomorrow, Jan. 26).