Highlights of the sixth day of the Australian Open on Friday (all times GMT): 1229 DANILOVIC STUNS PEGULA Serbia's Olga Danilovic, ranked 55th in the world, stunned American seventh seed Jessica Pegula,

After losing the first set 7-6 (3), two-time Australian Open champ Naomi Osaka retired from her third-round match against Belinda Bencic due to injury.

Naomi Osaka is out of the Australian Open after the abdominal injury that forced her out of the ASB Classic final in Auckland, New Zealand recurred during her third-round match against Belinda Bencic.

MELBOURNE (Reuters) -Swiss Belinda Bencic advanced to the last 16 of the Australian Open after two-time champion Naomi Osaka retired during Friday's third-round match with an abdominal strain that has affected her since the start of the season.