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.

Defending champion Jannik Sinner will face Alexander Zverev in the Australian Open men's final on Sunday. Sinner is seeking his third Grand Slam title overall.

World No. 1 Jannik Sinner Friday became the youngest man to reach back-to-back Australian Open finals since Jim Courier in 1992.

Madison Keys upsets two-time defending champion Aryna Sabalenka in the Australian Open final to claim her first major title.

MELBOURNE, Australia — Aryna Sabalenka threw her racket on the sideline. She sat on her bench with a towel over her head. She then even briefly walked off the court before the trophy ceremony when her bid for a third consecutive Australian Open championship ended with a 6-3, 2-6, 7-5 loss to Madison Keys in the final Saturday.

MELBOURNE, Australia — Madison Keys beat Aryna Sabalenka 6-3, 2-6, 7-5 in the Australian Open final at Melbourne Park Saturday.