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.

Novak Djokovic has won the Australian Open a record nine times but a 10th title in Melbourne this month will be the most satisfying of all after his humiliating ban a year ago.

Players at this month's Australian Open will not be required to take COVID-19 tests and could play even if they had the virus, tournament director Craig Tiley said on Monday.

Aryna Sabalenka fired an Australian Open warning shot Sunday by winning her first title since 2021 at the Adelaide International, beating rising Czech teenager Linda Noskova 6-3, 7-6 (7/4).

Two-time Australian Open champion Naomi Osaka became the latest star to pull out of the opening Grand Slam of the year Sunday, leaving the tournament deprived of some of the biggest names in the game.

Unheralded Czech teenager Linda Noskova stunned world number two Ons Jabeur Saturday to make her first-ever final at the Adelaide International, dealing the Tunisian a demoralising blow ahead of the Australian Open.

World number five Aryna Sabalenka surged into the final of the Adelaide International Saturday, crushing Romanian veteran Irina-Camelia Begu for the loss of just five games.

US Open champion Carlos Alcaraz said on Friday he will miss the Australian Open, the first Grand Slam of the season, after injuring his right leg in training.

Former world number one Daniil Medvedev set up an Adelaide International semi-final against either Novak Djokovic or Denis Shapovalov Friday with a command performance in the countdown to the opening Grand Slam of the year.

Former world number one Daniil Medvedev locked in an all-Russian Adelaide International quarter-final with Karen Khachanov Wednesday, while Aryna Sabalenka stormed back to book her place in the last eight.

Novak Djokovic swept to victory in his first singles match on Australian soil since being deported a year ago, crushing Constant Lestienne at the Adelaide International on Tuesday to kick-start his bid for another Grand Slam title.