Anastasija Sevastova News
The Japanese player next meets sixth seed Elina Svitolina for a place in the semi-finals.
The Japanese fourth seed had to come back from a set down for a second successive match at Melbourne Park, having survived a big scare against Taiwan's wily Hsieh Su-Wei on Saturday.
Osaka will play sixth seed Elina Svitolina for a place in the semi-finals of the Australian Open.
Wozniacki claimed her first China Open title in 2010 when she jumped to the top of the WTA rankings for the first time.
The tennis legend defeated Sevastova 6-3, 6-0 to reach her 9th singles final in Flushing Meadows.
The crafty Latvian had knocked Sharapova out of the fourth round at Flushing Meadows last year during the Russian`s return to grand slam action after a 15-month doping ban.
Belarusian Aliaksandra Sasnovich became the first qualifier ever to reach the final of the Brisbane International tennis tournament when she beat seventh-seeded Latvian Anastasija Sevastova on Friday.
After seventh seed Goerges had overpowered Anastasija Sevastova 6-3 6-3 in the first semi-final, American Vandeweghe took to the court to outplay Australian Ashleigh Barty with the same scoreline.
It was the five-time Grand Slam winner`s first appearance since she was beaten by Sevastova at the US Open in early September and gets her stop-start return from a doping ban back on track.
Sharapova, who returned to the tour in April after her suspension ended, had defeated world number two Simona Halep in the first round and was being spoken about as a potential title contender.
Wozniacki, the finalist in 2009 and 2014 and semi-finalist also in 2010 and 2011, sympathised with Sevastova after she spent almost three months out of the sport with a right ankle injury earlier this year.
Sevastova thus became the first Latvian woman in 22 years to reach a Grand Slam quarter-final.
Raonic, considered as a potential title dangerman in New York, hit 18 aces and 69 winners but committed 62 unforced errors.
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