Keys, the No. 19 seed and a two-time semifinalist at Melbourne Park, had won the first set. But Rybakina, who like Keys is a precise winner machine when she is playing the tennis she wants to play, had taken the second by seizing the initiative and playing on her front foot. Halfway to the finish, Keys had become a passive counterpuncher.

Hope for an All-American semifinal was dashed after five-time Grand Slam winner Iga Swiatek beat Emma Navarro on Wednesday.

Madison Keys is back into the Australian Open semifinals for a third time after her 3-6, 6-3, 6-4 win Wednesday over Elina Svitolina of Ukraine.

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

She couldn’t lay a hand on the Queenslander. Barty sliced her and diced her, picking her apart with stock balls and zooters, working her over like Shane Warne bowling leggies to Daryl Cullinan.

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.

Iga Swiatek’s latest lopsided win at the Australian Open came via a 6-1, 6-2 score in the quarterfinals against No. 8 seed Emma Navarro on Wednesday. The No. 2-seeded Swiatek not only has not dropped a set so far in the tournament,

Iga Swiatek advances to the Australian Open semi-finals, maintaining impressive form, having dropped just 14 games in the tournament so far. The World No. 2 faces American Madison Keys, who seeks her first finals appearance in Melbourne.