Coco Gauff and Iga Świątek will look to dethrone the two-time defending champion, who appears to be at the peak of her powers.

Aryna Sabalenka of Belarus plays a forehand return to Zheng Qinwen of China during the women's singles final at the Australian Open tennis championships at Melbourne Park, Melbourne, Australia, Saturday, Jan. 27, 2024. Credit: AP/Andy Wong

World No. 1 Aryna Sabalenka will begin her Australian Open title defense by facing former U.S. Open champion Sloane Stephens.