Osaka retired from her fourth-round match against Coco Gauff at the China Open three weeks ago and has not played since.

Naomi Osaka will miss the rest of the WTA tour due to a back injury. She has withdrawn from the Hong Kong Open and ended her season early. Osaka hasn't played since retiring from a match at the China Open,

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Japan's Naomi Osaka said she will skip next month's Billie Jean King Cup Finals in Spain as she recovers from injuries that have kept her out of key tournaments during the WTA's Asian swing.