The player who beat Zheng in the final 12 months ago, No. 1-ranked Aryna Sabalenka, stretched her Melbourne Park winning streak to 16 matches as she eyes a third consecutive title, beating No. 54 Jessica Bouzas Maneiro 6-3, 7-5 at Rod Laver Arena.

At her peak, the four-time Grand Slam champion played her best tennis in the toughest moments. In Melbourne, she did it again.

A four-time Grand Slam champion, Osaka returned from maternity leave last year and lost in the first or second round of all four major tournaments. The 27-year-old Japan native has not won any event on the WTA Tour since capturing her second Australian Open title to start 2021.