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.

Defending champion Aryna Sabalenka and Madison Keys made rocky starts on Thursday but eventually secured contrasting victories to set up a heavy metal Australian Open final showdown that will pit two of the game's big hitters against each other.