Aryna Sabalenka vs. Madison Keys in the women's singles championship from Rod Laver Arena in Melbourne. The top-seeded Sabalenka is bidding for the first Aussie Open women's threepeat since Martina Hingis did so from 1997-99. Keys is in her first Slam final since taking runner-up at the 2017 U.S. Open and is the sixth different American finalist in the last nine years Down Under.