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, saving a match point along the way,

Former teenage prodigy Madison Keys arrived in Australia with the goal of seeing how well she could perform with her 30th birthday approaching next month.

In the final at the Australian Open on Saturday, Aryna Sabalenka (ranked No. 1) takes on Madison Keys (No. 14).In her last match on Thursday, Sabalenka beat Paula Badosa in two sets, 6-4, 6-2, to

When Madison Keys finally finished off her 5-7, 6-1, 7-6 (8) upset of No. 2 Iga Swiatek in a high-intensity, high-quality Australian Open semifinal Thursday night, saving a match point along the way,

The American is into the final in Melbourne, with husband Bjorn Fratangelo as her coach. This is how the married couple work it out

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.

The Belarusian has been unbeatable in Melbourne for years, but she's running into in absolute buzzsaw.

With women’s tennis on the verge of an epic showdown between its top two players with the Australian Open title on the line, Keys, the 29-year-old American, crashed the party. She stormed back against Iga Swiatek to win their semifinal 5-7, 6-1, 7-6 (10-8)

No. 19 seed Madison Keys of the U.S. takes on No. 2 seed Iga Swiatek of Poland in a women's semifinal match on Thursday. Check out all the info.

The American advanced to the final with a roller-coaster victory that was so intense she couldn't recall one very important point.

What this final lacks in historic significance, it could make up for in sheer ball-striking bravado between two of the biggest hitters the game has ever seen.