Iga Swiatek booked her second Australian Open semi-final with another spectacular display on Wednesday while Americans reached the last four of the men's and women's singles at Melbourne Park for the first time in 16 years.

Andy Schooler previews the women's semi-final action at the Australian Open on Thursday, including Madison Keys v Iga Swiatek.

Iga Swiatek drops just three games as she breezes past Emma Navarro to set up an Australian Open semi-final against Madison Keys.

A rampaging Iga Swiatek stormed into her second Australian Open semi-final with a 6-1 6-2 centre court demolition of eighth seed Emma Navarro on Wednesday as the world number two underlined her title credentials once again at Melbourne Park.

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.