Keys saved a match point before winning in a final set tie-break while Sabalenka saw off close friend Paula Badosa.
Iga Swiatek said "you have to experience it" to know how much it hurts after passing up a match point in defeat to Madison Keys in the Australian Open semis.
Aryna Sabalenka moved one win away from becoming the first woman since 1999 to win three consecutive Australian Open titles, ...