MELBOURNE, Australia — Jannik Sinner beat Alexander Zverev 6-3, 7-6 (4), 6-3 in the Australian Open final at Melbourne Park Sunday. The No. 1 seed prevailed over the No. 2 seed in a match ultimately decided by Zverev’s discomfort when coming forward, Sinner’s underrated first serve, and a kiss of death from the net.

Ranked 14th and seeded 19th, the 29-year-old American upsets top-ranked two-time defending champion Aryna Sabalenka in three sets in Melbourne

Novak Djokovic pledged to continue his hunt for a record 25th Grand Slam title as he processed the disappointment of retiring from Friday's Australian Open semi-final due to a muscle injury.

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

Katerina Siniakova and Taylor Townsend outlasted Jelena Ostapenko and Su-Wei Hsieh 6-2, 6-7 (4), 6-3 to capture the Australian Open women's doubles title.

The 29-year-old became the fourth-oldest first-time Grand Slam champion in the professional era, ending Sabalenka's bid for a third straight Melbourne Park crown.

Taylor Townsend of the United States returned to the court on which her career first took flight, teaming with Katerina Siniakova to beat Hsieh Su-Wei and Jelena Ostapenko 6-2, 6-7 (4), 6-3 in the women's doubles final Sunday at the Australian Open.

The Czech Republic's Katerina Siniakova won her 10th Grand Slam women's doubles title Sunday when she and American partner Taylor Townsend clinched the Australian Open crown.