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

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.