Naomi Osaka's Australian Open campaign has taken on an element of doubt after the four-time Grand Slam champion and former No. 1 suffered an apparent injury Sunday while playing the final of a WTA tournament in Auckland.

The former world No. 1 and four-time Grand Slam champion retired from the final of the WTA Auckland Open, the last tune-up before the Australian Open, with an apparent medical issue on Sunday. She had been leading Denmark's Clara Tauson 6-4, but her exit left Tauson as the tournament's champion.

Naomi Osaka suffered a disappointing end to what has been an encouraging Australian Open, as she retired with an abdominal injury after losing the first set against Belinda Bencic.

Naomi Osaka, a two-time Australian Open champion, withdrew from her match against Belinda Bencic due to an abdominal injury. This injury, linked to her explosive serving style, has been a recurring issue.

Copyright 2025 The Associated Press. All Rights Reserved. Naomi Osaka of Japan receives medical attention during her match against Clara Tauson of Denmark in the ...

Two-time Australian Open champion Naomi Osaka has stopped playing because of an injury after dropping the opening set of her third-round match against Belinda Bencic.

Osaka retired from the ASB Classic final in Auckland due to an abdominal injury. The four-time Grand Slam champion won the first set against Clara Tauson 6-4 before taking an immediate medical time-out that would signal the end of the match. Due to injury, Osaka has retired from the match. Clara Tauson is the champion with a final score of 4-6.