American Madison Keys stunned world No. 2 Iga Świątek in an all-time Australian Open classic, coming from a set down to win 5-7, 6-1, 7-6(8) and set up a final showdown against Aryna Sabalenka.

Sabalenka beat good friend Paula Badosa of Spain earlier Thursday, 6-4, 6-2. Sabalenka, a 26-year-old from Belarus, can become the first woman since 1999 to win three consecutive Australian Open singles crowns. "If she plays like this," the 11th-seeded Badosa said, "I mean, we can already give her the trophy."

When Madison Keys finally finished off her 5-7, 6-1, 7-6 (10-8) upset of No. 2 Iga Swiatek in a high-intensity, high-quality Australian Open semifinal on Thursday night, saving a match point along the way,