Top seed Simona Halep set up a highly-anticipated Australian Open last-16 match with Serena Williams by beating the American's older sister Venus.
The 27-year-old Romanian eased to a 6-2 6-3 victory, winning in straight sets for the first time at this year's tournament.
Seven-time champion Serena Williams reached the last 16 by thrashing Ukraine's Dayana Yastremska.
"It's going to be a bigger challenge but I'm ready to face it," said Halep.
More to follow.