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.

Defending champion Jannik Sinner is through to third round after Britain's Katie Boulter is beaten following Emma Raducanu's win at the Australian Open.

Follow live radio commentary of Katie Boulter in Australian Open second round - radio and live text later on Katie Boulter, Jannik Sinner and Daniil Medvedev.

Novak Djokovic chases his 25th Grand Slam, while Coco Gauff aims for a semifinals rematch with Aryna Sabalenka ...

Navratilova and Lindsay Davenport noted Zheng’s struggle to deal with the maddening variety from opponent Laura Siegemund, leading to a second-round defeat in Melbourne.

Highlights of the fourth day of the Australian Open on Wednesday (all times GMT): 1257 PAUL DEFEATS NISHIKORI Former ...