Victoria Azarenka showed glimpses of the form that took her to the 2012 and 2013 Australian Open titles with a vintage display to reach the semi-finals yesterday, before Stefanos Tsitsipas continued his march towards a maiden Grand Slam title.
Twice Grand Slam winner Azarenka meets Wimbledon champion Elena Rybakina in the last four.
Having been beaten in the opening round by Jessica Pegula two years ago, Azarenka gained revenge by dismantling the in-form American third seed 6-4 6-1 to reach the semi-finals at Melbourne Park for the first time in a decade.
Former French Open runner-up Tsitsipas also showed some of his best form, sealing a 6-3 7-6(2) 6-4 win over Jiri Lehecka.
Rybakina also booked her place in the semi-finals for the first time, the Kazakh 22nd seed beating Jelena Ostapenko 6-2 6-4 in a match that was played under the roof after a rain shower halted play.
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