MELBOURNE, AUSTRALIA (AP) _ Results Thursday from Australian Open at Melbourne Park (seedings in parentheses): Aryna Sabalenka (1), Belarus, def. Paula Badosa (11), Spain, 6-4, 6-2. Madison Keys (19), United States, def. Iga Swiatek (2), Poland, 5-7, 6-1, 7-6 (8).

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

World number one Aryna Sabalenka set aside the challenge of her good friend Paula Badosa, and Madison Keys prevailed over second seed Iga Swiatek in a humdinger at the Australian Open women's singles semi-finals.

Aryna Sabalenka and Iga Swiatek, the top two seeds, will be in action in women’s singles semifinals on the 12th day in Melbourne.

Madison Keys pulled off a stunning victory, while Jannik Sinner charged to a convincing title defense. Plus, Paula Badosa and Ben Shelton impressed Down Under.

Follow live text and radio commentary as Aryna Sabalenka takes on Madison Keys in the Australian Open Women's Singles Final in Melbourne, Australia.

In the Open era, only Flavia Pennetta, Ann Jones and Francesca Schiavone have won maiden grand slam titles later into their career than 29-year-old Keys, who covered her face with her hands in delight and disbelief after sending a final forehand winner fizzing past Sabalenka.

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

Sabalenka is guaranteed to remain at world number one because of Swiatek’s defeat, while Keys will break back into the top 10 for the first time since 2019. A victory in the final will see Keys equal the career-high ranking of seven she reached in 2016.

Defending champion Aryna Sabalenka will battle American 19th seed Madison Keys in the final today looking to become the first woman since Martina Hingis from 1997-99 to win the Australian Open title three times in a row.

Defending champion Aryna Sabalenka will battle American 19th seed Madison Keys in the final on Saturday looking to become the first woman since Martina Hingis from 1997-99 to win the Australian Open title three times in a row.