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.

World number one Iga Swiatek was knocked out of the Australian Open Sunday as Wimbledon champion Elena Rybakina blew the women's draw wide open by beating the red-hot favourite in straight sets.

Sebastian Korda says he's "the worst athlete" in his high-achieving sporting family, but with a little help from tennis legend Andre Agassi the rising American is working hard to change the dynamic.

Andy Murray and Novak Djokovic will have to rev their bodies into action when both attempt to reach the fourth round of the Australian Open on Saturday.

Defending champion Rafael Nadal crashed out of the Australian Open in round two to 65th-ranked American Mackenzie McDonald in a major upset Wednesday, his worst Grand Slam result in seven years.

Andy Murray stunned Italian 13th seed Matteo Berrettini on Tuesday, saving a match point to prevail over five gruelling sets and book a spot in the Australian Open second round.

Tennis Australia on Tuesday banned Russian and Belarusian flags at the Australian Open after Ukraine's ambassador demanded action when they were seen among the crowd.

Novak Djokovic makes his eagerly anticipated return to the Australian Open on Tuesday and women's world number two Ons Jabeur will also launch her title bid.

Teenager Shang Juncheng created a slice of history Monday by becoming the first male Chinese player to win an Australian Open main draw singles match.

Sam Stosur will bid a bittersweet farewell to home fans at the Australian Open but will not be straying far from the game, the 38-year-old major winner said on Sunday.

Defending champion Rafael Nadal admitted Saturday he felt vulnerable heading into the Australian Open after two straight defeats in the build-up and said that Novak Djokovic was clear favourite.