Aryna Sabalenka, defending champion and No.1 seed, will play her Australian Open 2025 first round against the American Sloane Stephens. On the opposite side Katerina Siniakova will be the opponent of the No. 2 seed Iga Swiatek.

Aryna Sabalenka, Iga Swiatek and Coco Gauff lead the women's field at the 2025 Australian Open. The year's first Grand Slam tournament begins on the hard courts of Melbourne Park on Sunday morning local time,

World number one Aryna Sabalenka is gunning for a third consecutive Australian Open crown but will face a stiff challenge from Iga Swiatek, Coco Gauff and last year's runner-up Zheng Qinwen.