The Madison Keys who will play two-time defending champion Aryna Sabalenka for the title at the Australian Open on Saturday night is not the same Madison Keys who was the runner-up at the U.S.

Madison Keys fought back from a set down on Thursday to shock Iga Swiatek in a nail-biter and set up an Australian Open final against two-time defending champion Aryna Sabalenka.

Defending Australian Open champion and world number one Aryna Sabalenka won her second-round match to qualify for the third round. Against Spain's Jessica Bouzas Maneiro, the Belarusian's serve let the 26-year-old down,