Serbian icon Novak Djokovic was full of praise for a new innovation at the Australian Open earlier this week, however, he has now U-turned on his stance.

Novak Djokovic, Coco Gauff roll to Australian Open's 4th round. Naomi Osaka retires due to injury and Jessica Pegula was upset in the third round.

Novak Djokovic and Coco Gauff progress ... (AP Photo/Vincent Thian) Aryna Sabalenka of Belarus plays a forehand return to Clara Tauson of Denmark during their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday ...

Novak Djokovic overcame injury and losing the ... losing serve five times in a straight-sets win over Clara Tauson. She spent most of the second set and the start of the third looking similar ...

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.

Aryna Sabalenka's quest to make history and defend her title at the Australian Open remains on track after she beat Clara Tauson 7-6 6-4 to move into the last 16, while Novak Djokovic also progressed in another eventful day at Melbourne Park.

Novak Djokovic and Carlos Alcaraz can set up a blockbuster quarter-final when the Australian Open enters the fourth round on Sunday

Novak Djokovic, Carlos Alcaraz ... the two-time defending champion, dispatched Clara Tauson 7-6 (5), 6-4, and now has won 17 matches in a row at the Australian Open. The third-seeded Gauff ...

Aryna Sabalenka of Belarus plays a forehand return to Clara Tauson of Denmark during ... tennis championship in Melbourne, Australia. Novak Djokovic of Serbia reacts after defeating Tomas Machac ...

MELBOURNE - Defending champion Aryna Sabalenka shrugged off a shaky display to fight her way into the fourth round of the Australian Open with a 7-6 (7-5), 6-4 victory over Clara Tauson on Jan 17.

MANILA, Philippines — A “hot-headed” Novak Djokovic sent an Australian ... behind a faltering serve before beating Denmark’s Clara Tauson 7-6 (7/5), 6-4 . Two-time champion Osaka was ...

MELBOURNE — Aryna Sabalenka stayed on track for an Australian Open hat-trick Friday, while later Coco Gauff and Naomi Osaka can set up a blockbuster clash and Novak Djokovic steps ... before beating Denmark's Clara Tauson in straight sets in the third ...