Defending champion Aryna Sabalenka held on for a tough second-round win at the Australian Open on Wednesday, but last year's finalist Zheng Qinwen became the first Top 10 seed to fall this week.

The Australian Open saw a surprising upset as Laura Siegemund defeated Olympic champion Zheng Qinwen, dashing her hopes of emulating Li Na's 2014 victory. Aryna Sabalenka faced challenges but advanced,

Last year's Australian Open runner-up Zheng Qinwen has crashed out in a huge upset in the second round at Melbourne Park to unfancied German veteran Laura ... No.25 seed Liudmila Samsonova packing ...

Zheng exits after second round loss to unseeded Siegemund as former champions Sabalenka and Osaka battle through.

Last year’s Australian Open runner-up Zheng Qinwen has crashed out in a huge upset in the second round at Melbourne Park to unfancied German veteran Laura Siegemund. The fifth-seeded Zheng came into the first major of 2025 in imperious form.

ADELAIDE, AUSTRALIA (AP) _ Results Friday from Adelaide International 1 at Memorial Drive Tennis Centre (seedings in parentheses): Madison Keys, United States, def. Liudmila Samsonova, Russia, 5-7, 7-5, 3-0, ret. Jessica Pegula (1), United States, def. Yulia Putintseva, Kazakhstan, 7-6 (4), 6-3.

Highlights of the fourth day of the Australian Open on Wednesday (all times GMT): 0230 SIEGEMUND UPSETS OLYMPIC CHAMPION ZHENG Germany's world number 97 Laura Siegemund knocked out Olympic champion and fifth seed Zheng Qinwen 7-6(3) 6-3 at the John Cain Arena.

Zheng Qinwen was the first big name to exit the women’s draw at the Australian Open on Wednesday after the Olympic champion was stunned by Laura ... 25th seed Liudmila Samsonova 6-1 6-2.

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.

By Shrivathsa Sridhar MELBOURNE (Reuters) -Zheng Qinwen was the first big name to exit the women's draw at the Australian Open on Wednesday after the Olympic champion was stunned by Laura Siegemund while top seed Aryna Sabalenka made heavy weather of her second-round match before going through.

The full draw for the 2025 Australian Open womens singles tournament in Melbourne; watch all the action from the ATP and WTA Tours on Sky Sports Tennis and Sky Sports+ which is integrated into Sky TV,

The Australian Open has entered its third round with only 32 players remaining in both the men’s and women’s draws. Initially, 32 seeded players were expected to have a clear path until at least the third round,