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Bianca Andreescu of Canada hits a return shot against Naomi Osaka of Japan during the women's singles quarterfinals match in the China Open tennis tournament in Beijing, Friday, Oct. 4, 2019. THE CANADIAN PRESS /AP-Mark Schiefelbein

BEIJING -- Bianca Andreescu's winning streak is over.

The Canadian lost 5-7, 6-3, 6-4 to world No. 4 Naomi Osaka of Japan in a China Open quarterfinal today, ending Andreescu's win streak at a WTA Tour season-high 17 matches.

Andreescu, ranked sixth in the world, suffered her first loss in nine matches this year against a top-10 opponent.

It also ended Andreescu's run of 13 consecutive wins in three-set matches.

The Andreescu-Osaka match featured the winners of the past three hard-court Grand Slams -- the 19-year-old from Mississauga, Ont., won this year's U.S. Open, while Osaka won the 2019 Australian Open and the 2018 U.S. Open.

Lovely moment between @Naomi_Osaka_ and @bandreescu_ at the net ��#ChinaOpen#大坂なおみ pic.twitter.com/PXVeezdbYu

— WTA (@WTA) October 4, 2019

Osaka will face No. 16 seed Caroline Wozniacki of Denmark in the semifinals of the US$8.285 million China Open on Saturday.

The other semifinal of the WTA Premier-Mandatory event pits top-ranked Ash Barty of Australia against No. 8 seed Kiki Bertens of the Netherlands

This report by The Canadian Press was first published Oct. 4, 2019.