MELBOURNE, Australia (AP) — Olympic champion Zheng Qinwen won’t be repeating her surprising run to the Australian Open final in 2025 after a second-round upset loss to No. 97-ranked Laura Siegemund on Wednesday.

A place in the second week of the Australian Open is on the line Friday in Melbourne (Thursday night, U.S.) for a number of star players including Naomi Osaka, Aryna Sabalenka and Coco Gauff.

Naomi Osaka, ranked just No. 51 in the world after a disappointing 2024 season, shook off a slow start en route to a second-round upset win in the Australian Open on Wednesday. Osaka rallied past 20th-seeded Karolina Muchova 1-6,

MELBOURNE, Australia (AP) — Naomi Osaka thought for a few moments ... distracted by a time penalty and unable to counteract No. 97-ranked Laura Siegemund's aggressive approach, lost 7-6 (3 ...

The abdominal injury that caused Naomi Osaka to retire from the Auckland final with a one-set lead over Clara Tauson less than two weeks ago struck again Friday, forcing the four-time major champion to cut a promising Australian Open short.

Recommended Videos This was not a match against some unknown opponent, someone Osaka knew for sure she ... never managed to counter 97th-ranked Laura Siegemund's strokes, bowing out 7-6 (3 ...

Osaka strode to the sideline for the changeover ... for a time violation and never managed to counter 97th-ranked Laura Siegemund's strokes, bowing out 7-6 (3), 6-3 at John Cain Arena.

Zheng Qinwen of China reacts during her second round match against Laura Siegemund of Germany ... Australia (AP) — Naomi Osaka's second-round match at the Australian Open could not possibly ...

Naomi Osaka, a two-time champion in Australia, stopped playing because of a strained abdominal muscle after dropping the first set of her match against Tokyo Olympics gold medalist Belinda Bencic.

World No.1 Aryna Sabalenka kicks off the second week of the Australian Open against teenager Mirra Andreeva, while Coco Gauff takes on Belinda Bencic for a spot in the quarterfinals.

Coco Gauff still hasn't lost a match or even a set at the Australian Open -- or, actually, this season. She moved into the fourth round at Melbourne Park with a straightforward 6-4, 6-2 victory over 2021 U.