The world No. 1 is seeking a third Australian Open title in a row. This is what makes her the best player in the world.
Madison Keys stuns world number two Iga Swiatek to set up an Australian Open final against two-time defending champion Aryna Sabalenka.
Aryna Sabalenka, who can write her name into the tennis record books with a third consecutive Australian Open title on Saturday, has become the complete player.