Paula Badosa, Madison Keys, Iga Swiatek and back-to-back champion Aryna Sabalenka will vie for their place in Saturday night’s decider at Melbourne Park. Paula Badosa, Madison Keys, Iga Swiatek and back-to-back champion Aryna Sabalenka will vie for their place in Saturday night’s decider at Melbourne Park. Sport / Tennis Sydney Morning Herald – Latest News