Agnieszka Radwansa played the role of underdog to perfection as she finally broke her jinx against two-time defending champion Victoria Azarenka and knocked her out of the Australian Open. The determined Pole battled to a 6-1, 5-7, 6-0 win. (All AP and AFP images)
Defending champion Victoria Azarenka admitted she lacked focus after blowing a golden opportunity to win her third straight Australian Open when she was bundled out in the quarter-finals.
Slovakian underdog Dominika Cibulkova won the mental battle against 11th seed Simona Halep to storm into only her second Grand Slam semi-final.
The 20th seed Dominika Cibulkova, in her best performance at Melbourne Park, marched past the Romanian Simona Halep 6-3, 6-0 and will play fifth seed Agnieszka Radwanska, who upset defending champion Victoria Azarenka, for a place in the final.
India's Leander Paes and his Czech partner Radek Stepanek lost their men's doubles quarter-finals, while Rohan Bopanna went down in his last-eight match in the mixed doubles.
World number one Rafael Nadal fought off a big challenge from rising Bulgarian star Grigor Dimitrov to reach the semi-finals. Nadal got home 3-6, 7-6 (7/3), 7-6 (9/7), 6-2 in three hours 37 minutes.
Record Grand Slam champion Roger Federer set up semi-final with Rafael Nadal after beating Andy Murray in the last eight. The Swiss sixth seed beat the Wimbledon champion 6-3, 6-4, 6-7 (6/8), 6-3 in three hours 20 minutes.
Following his victory, the Swiss legend is into his 11th consecutive semi-final at Melbourne Park. He has not lost before that stage since 2003.
Roger Federer said he didn't even dare to think about setting up an all-Swiss Australian Open final after he joined compatriot and close friend Stanislas Wawrinka in the semis.
Andy Murray said he was always "very unlikely" to win the Australian Open four months after back surgery but added he was happy with his progress despite going out against Roger Federer.