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.

Highlights of the sixth day of the Australian Open on Friday (all times GMT): 1229 DANILOVIC STUNS PEGULA Serbia's Olga ...

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

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 ...

World number nine Daria Kasatkina swept into the Adelaide International second round on Monday but Paris Olympic silver ...

Spain's Paula Badosa also narrowly avoided defeat ... The first Grand Slam of the year begins in Melbourne on Sunday. Injured ...

Spain's Paula Badosa also narrowly avoided ... the year begins in Melbourne on Sunday. Injured Osaka 'very optimistic' about Australian Open Naomi Osaka will undergo a scan on the injury that ...

Naomi Osaka exited the Australian Open the same way she bowed out of her previous two events -- retiring midmatch due to ...

A four-time Grand Slam champion, Osaka returned from maternity leave last year and lost in the first or second round of all ...