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.

American Madison Keys upset two-time defending champion Aryna Sabalenka, of Belarus, 6-3, 2-6, 7-5 during the Australian Open final Saturday night.

Madison Keys attributed her breakthrough victory in securing her first Grand Slam title to extensive therapy, which she said helped her achieve the