Elina Svitolina advances to Australian Open quarterfinals, to face Madison Keys after defeating Veronika Kudermetova.

World No.1 and defending champion Jannik Sinner, Iga Swiatek, Elina Svitolina, Elena Rybakina and other big players will be in action on Day 9 of the hard court major at the Melbourne Park.

The World No. 1, despite feeling unwell in sweltering conditions, kept up his title defense with a four-set triumph.

Concerned' Djokovic prepares for Australian Open semi-final after Sinner demolishes De Minaur - live - Sinner booked his place in the semi-finals with a 6-3 6-2 6-1 victory over Australia’s De Minaur

In a display of tennis mastery, defending champion Jannik Sinner demolished local hope Alex de Minaur in straight sets at the Australian Open, while world No. 2 Iga Swiatek continued her devastating form,

Defending champion Jannik Sinner raced into the Australian Open semi-finals on Wednesday in imperious fashion after Iga Swiatek was equally ruthless to close on a first Melbourne crown.

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Imperious Iga Swiatek swept into an Australian Open semi-final against Madison Keys on Wednesday while Jannik Sinner's powers of recovery will be tested to the limit when he faces home

Iga Swiatek will look to continue her march to a maiden Australian Open title on Wednesday while Jannik Sinner's powers of recovery will be tested in a quarter-final against home hope Alex de Minaur.De Minaur is looking to become the first Australian man to reach the semi-finals at his home Open since Lleyton Hewitt 20 years ago.

The last of the Australian Open men's quarterfinals takes place in the wee hours of Wednesday morning, in the United States.

Carlos Alcaraz had Novak Djokovic on his heels early and lamented not being able to put him away in the Australian Open quarterfinals.