Reigning champion Aryna Sabalenka also advanced to the second week, as did one of her good friends, 11th seed Paula Badosa ... while two-time champion Naomi Osaka takes on new mum Belinda Bencic.

In her last Grand Slam quarterfinal, the Spaniard imploded in New York. She is taking the lessons into her match with Gauff ...

Pegula, the seventh seed, has a number of difficult opponents in her quarter: Coco Gauff, Karolina Muchova, Paula Badosa ... step on an Osaka revenge tour? In her first match, Naomi beat Carolina ...

Later Friday, an apparent abdominal injury that forced Naomi Osaka to retire with a ... Also advancing Friday were 11th-seeded Paula Badosa, who beat Marta Kostyuk 6-4, 4-6, 6-3, and 18th-seeded ...

That includes wins on Friday for No. 1 Aryna Sabalenka, who is the two-time defending champion in Australia, No. 3 Gauff, No. 11 Paula Badosa and No. 14 Mirra Andreeva. Naomi Osaka, a two-time ...

After a 5-7, 6-2, 6-1 win, she will play Paula Badosa of Spain for a place ... way out of the tournament in the third round, until Naomi Osaka could not play through the pain of an abdominal ...

That includes wins on Friday for No. 1 Aryna Sabalenka, who is the two-time defending champion in Australia, No. 3 Gauff, No. 11 Paula Badosa ... a top-10 player. Naomi Osaka, a two-time champion ...

Novak Djokovic, Coco Gauff roll to Australian Open's 4th round. Naomi Osaka retires due to injury and Jessica Pegula was ...