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.

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 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 ...

Carlos Alcaraz faces a tricky test in the third round. Novak Djokovic and Aryna Sabalenka will also be in action on Friday in Melbourne.

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 ...

A "very hot-headed" Novak Djokovic produced a vintage display ... work hard behind a faltering serve before beating Denmark's Clara Tauson in the third round on Rod Laver Arena.

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.

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 ...

This week, the Australian Open came to a close in Melbourne. Madison Keys claimed the women’s singles title with a win over Aryna Sabalenka, while Jannik Sinner lifted the men’s singles trophy after defeating Alexander Zverev.

Madison Keys pulled off a stunning victory, while Jannik Sinner charged to a convincing title defense. Plus, Paula Badosa and Ben Shelton impressed Down Under.

The world No. 1 is seeking a third Australian Open title in a row. This is what makes her the best player in the world.