There will be different names on both Australian Open singles trophies this year after Victoria Azarenka lost to Agnieszka Radwanska in the quarter-finals in Melbourne.
Azarenka had won the title for the previous two years and on both occasions had shared top billing with men's champion Novak Djokovic, who was looking to claim a fourth straight crown.
Djokovic's hopes were ended on Tuesday night when Stanislas Wawrinka turned the tables in five compelling sets, and on Wednesday Radwanska produced a tremendous display to defeat Azarenka 6-1 5-7 6-0.
The Pole had lost their last seven matches and 12 straight sets against Azarenka dating back to a quarter-final meeting here two years ago.
But she was on her game from the start while Azarenka could not find her range.
The second seed, who was perhaps feeling the pressure following the exits of Serena Williams and Maria Sharapova, only narrowly avoided losing the first set to love, getting on the board in the sixth game.
She was screaming in frustration and smacking her legs with her racquet and fist.
Radwanska beats opponents not with power but with excellent movement and variety, mixing up spins and slices, and frequently coming to the net.
Azarenka has been able to hit through her in the past, but not this time.
The Belarusian dug in, though, and both women held serve after long games at the start of the second.
They exchanged breaks in the middle of the set but serving to stay in it in the 12th game, Radwanska played a sloppy game for the first time and Azarenka levelled the match.
The defending champion now appeared a big favourite but Radwanska regrouped and made the perfect start to the deciding set with a break of the Azarenka serve.
The crowd took delight in Radwanska's touch and skill, and Azarenka was jeered for a show of petulance after losing the second game.
Whatever Azarenka threw at her opponent, Radwanska had an answer for, and she won two quite brilliant points to break for 5-0 before confidently serving out one of the biggest victories of her career.
In the semi-finals the fifth seed will play Dominika Cibulkova, who followed up her victory over Maria Sharapova by crushing Simona Halep 6-3 6-0.
Radwanska had lost in the quarter-finals for the last three years, and she said: "I said to myself one day I have to take a step forward and reach the semi-finals. I'm so happy that I did it finally."
Cibulkova's only previous grand slam semi-final came at the French Open in 2009 and she has never made a final.