Russian third seed Maria Sharapova has followed title favourite Serena Williams out of the Australian tennis Open in Melbourne.
Sharapova was beaten 3-6 6-4 6-1 by Dominika Cibulkova of Slovakia.
Sharapova's demise came a day after Serbia's Ana Ivanovic beat world number one and title favourite Serena Williams, also in the fourth round.
Cibulkova will now face Simona Halep of Romania in the quarter-finals, after the 11th seed beat Serbian eighth seed Jelena Jankovic 6-4 2-6 6-0.
Second seed Victoria Azarenka knocked out the American Sloane Stephens in straight sets and the Belarussian awaits the winner of the night match between Polish fifth seed Agniezska Radwanska and Spaniard Garbine Muguruza.
