Wozniacki, 32, bowed out in 2020 after winning 30 WTA titles including her sole Grand Slam triumph at the Australian Open in 2018

World number one Iga Swiatek defeated Australian Open champion Aryna Sabalenka in straight sets to win her second consecutive Stuttgart title on Sunday.

The Australian Open set a Grand Slam attendance record with more than 900,000 spectators visiting over three weeks, organisers said on Tuesday, despite the absence of some big-name players and schedule disruptions due to rain.

New Australian Open champion Novak Djokovic said on Monday he hopes to return to action in a month's time but is "not sure" how quickly his injured hamstring will heal.

Novak Djokovic, who won a record-equalling 22nd Grand Slam title on Sunday, is driven on through controversy by his determination to be the greatest ever.

Novak Djokovic's father was absent from his son's player's box for the Australian Open final Sunday following a controversy over images of him posing with a Russian flag featuring Vladimir Putin.

Facts and figures ahead of Sunday's Australian Open men's final (x denotes seeding):

Novak Djokovic has won all nine of his previous Australian Open finals so confidence is sky-high as he bids to equal Rafael Nadal's Grand Slam record and return to world number one.

An emotional Aryna Sabalenka battled back from a set down to beat Elena Rybakina and win the Australian Open on Saturday for her first Grand Slam title.

Australian Open chief Craig Tiley on Saturday advised Novak Djokovic's family to be "really careful" of people using the tournament's global exposure as a platform for "disruptive" purposes.

Stefanos Tsitsipas will become Greece's first Grand Slam champion and a world number one if he wins the Australian Open final on Sunday -- he will have his father to thank if he does.

Facts and figures ahead of Friday's Australian Open men's semi-finals (x denotes seeding):

Aryna Sabalenka surged into the Australian Open final with a 7-6(1) 6-2 win over unseeded Pole Magda Linette on Thursday to extend the red-hot Belarusian's unbeaten start to the year and book a clash with Elena Rybakina.

Self-described "obnoxious soccer mom" Victoria Azarenka was ordered to take off her Paris St Germain shirt at the Australian Open on Thursday before bowing out of the Grand Slam with a straight sets defeat by Elena Rybakina in the semi-finals.

Novak Djokovic's father has been filmed posing with fans brandishing banned Russian flags at the Australian Open, including one featuring Vladimir Putin, in scenes Ukraine's ambassador Thursday slammed as "a disgrace".

Novak Djokovic can take a step closer to equalling Rafael Nadal's men's record of 22 Grand Slam titles when he faces Andrey Rublev on Wednesday for a place in the Australian Open semi-finals.

Magda Linette reacted with disbelief after continuing her dream run into the semi-finals of the Australian Open on Wednesday with a stunning 6-3 7-5 victory over former world number one Karolina Pliskova.

Aryna Sabalenka reached her maiden Australian Open semifinal with a battling 6-3, 6-2 victory over unseeded Donna Vekic on Wednesday at Rod Laver Arena in a 1hr 49min tussle.

Big-serving Elena Rybakina blasted her way into the Australian Open semi-finals on Tuesday, while Karen Khachanov followed suit in the men's draw after Sebastian Korda suffered a wrist injury.

American Sebastian Korda reached the quarter-finals of a Grand Slam for the first time on Sunday after defeating Poland's Hubert Hurkacz 3-6, 6-3, 6-2, 1-6, 7-6 (10-7) at the Australian Open.