Top seed Iga Swiatek crashed out of the Australian Open on Saturday, losing 3-6, 6-3, 6-4 to Czech teenager Linda Noskova in the third round as her bid for a maiden Melbourne Park title and fifth Grand Slam trophy fell apart.

Tennis great Rod Laver suggested Saturday that engravers could start putting Novak Djokovic's initials on the Australian Open trophy, with something "miraculous" needed to prevent him winning an 11th title.

Novak Djokovic has opened up on how he riled Roger Federer when he broke onto the scene as a cocky upstart but said it only fired up his quest to become the best player in the world.

Down 5-1 in the deciding set, Andreeva reeled off five games in a row.

Sinner is yet to drop a set in his three matches so far.

Sabalenka ruthlessly handed 28th seed Tsurenko the dreaded "double bagel" in 52 minutes.

 A change of racket helped Daniil Medvedev come from two sets down and prevail over Finland's Emil Ruusuvuori at the Australian Open on Thursday in a battle that stretched four hours and 21 minutes.

Unseeded Russian Anna Blinkova dumped world number three Elena Rybakina out of the Australian Open on Thursday, squandering multiple match points in a final-set tie-break lasting more than 31 minutes before sealing victory.

World number two Carlos Alcaraz dropped a set Thursday before rediscovering his mojo to battle into the Australian Open third round, coming good when it mattered.

Iga Swiatek came back from the brink to beat unseeded American Danielle Collins in the second round of the Australian Open on Thursday, extending her winning run to 18 matches.

The world number one, who swears by a plant-based diet, extols the virtues of meditation and has previously used a spiritual guru, has never been shy of talking about his eccentricities.

Novak Djokovic survived a huge scare to reach the third round of the Australian Open on Wednesday, beating home favourite Alexei Popyrin to stay on track for a historic 25th Grand Slam title.

In her fourth Grand Slam main draw appearance since making her debut at last year's French Open, Andreeva showed maturity beyond her years as Jabeur desperately sought answers from her coaching team after the early jolt.

The second seed, gunning to unseat 10-time champion Novak Djokovic from the world number one spot, was tested in a tight first set but then moved through the gears.

Sumit Nagal, India's top-ranked singles player, was left with less than a thousand dollars in his bank account at one point last year so it was no surprise he was beaming on Tuesday after ensuring a bumper payday at the Australian Open.

"Really happy, it's not easy to play the first match, especially the first Grand Slam of the season," said Swiatek, who owns three Roland Garros crowns and another at the US Open.

"Everywhere you look in Saudi Arabia, you can see growth and progress and I'm excited to be part of that," Nadal, who pulled out of the ongoing Australian Open with a muscle injury, said in a statement.

A single break proved enough for the French 16th seed to win the opening set against her rusty opponent and she dominated the second set tie-break to progress in Melbourne.

The 36-year-old put up stiff resistance in a 61-minute first set against Argentine Tomas Martin Etcheverry, but the 30th seed slowly ground him down to win 6-4, 6-2, 6-2.

"The conditions were brutal," said Medvedev. "The more he (Atmane) plays this intensity, the better he will be prepared."