Sabalenka, meanwhile, won against her good friend, Spaniard Paula Badosa, in her own semi-final earlier in the night. American tennis player Madison Keys has reached her first Australian Open decider, saving a match point before completing a stunning upset of second seed Iga Świątek in a gripping semi-final battle.

Madison Keys saves a match point on her way to defeating Iga Świątek in the Australian Open semifinals, booking a berth in the tournament decider.

Madison Keys will seek her first Grand Slam title when takes on two-time defending champion Aryna Sabalenka in the Australian Open final.

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.

Iga Świątek and Madison Keys are struggling to hold serve as they fight for the right to face world number one Aryna Sabalenka in her third straight Australian Open final. Follow live.

Madison Keys finally defeats No. 2 Iga Swiatek in a high-intensity Australian Open semifinal match, setting up a showdown with Aryna Sabalenka in the final.

Madison Keys lost her first set, fought off match point in the third and rallied through a tight tie breaker to beat Iga Swiatek in a gritty Australian Open semifinal that started Thursday and ended Friday in Melbourne.