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.

MELBOURNE, Australia — When Madison Keys finally finished off her 5-7, 6-1, 7-6 (10-8) upset of No. 2 Iga Swiatek in a high-intensity, high-quality Australian Open semifinal on Thursday night, the 29-year-old American crouched on the court and placed a hand on her white hat.

Iga Swiatek's act during the Australian Open semi againsrt Madison Keys was heavily criticised on social media, with people calling her antics "dirty tactics".

The 29-year-old American will now face defending champion Aryna Sabalenka in the final as she attempts to win a first gram slam title

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.

Iga Swiatek acknowledged Madison Keys' brave performance in the Australian Open semifinals, where Keys secured a place in the final against Aryna Saba

The irresistible force of Aryna Sabalenka meets the unbreakable spirit of Madison Keys in an Australian Open women's singles final on Saturday that promises to be a thunderous slugfest.

The American veteran tennis player is the oldest women's singles finalist at the Australian Open since Serena and Venus Williams in 2017. Once again, she will face long odds against Sabalenka in the finals. Sabalenka is 3-1 against Keys and is looking to win her third consecutive Australian Open title.

American tennis star Madison Keys completed a huge comeback victory over World No. 2 Iga Swiatek in Thursday's Australian Open semifinal to set up a final matchup vs. World No. 1 and reigning champion Aryna Sabalenka.

For Madison Keys, she was seemingly bereft of words. Keys did the unthinkable on Thursday. After staring match point in the face at one point, she rallied back and eventually rattled off four of the final five points of a super tiebreak set for a chance at an Australian Open title.

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.