Serena Williams swept into the fourth round of the Australian Open on Saturday after beating Japan’s Ayumi Morita 6-1, 6-3, but defending champion Victoria Azarenka struggled to overcome American Jamie Hampton.
Top seed Novak Djokovic (pictured) has won his third Australian Open title after persevering over Spain's Rafael Nadal 5-7, 6-4, 6-2, 6-7 (5), 7-5 in what is the longest Grand Slam singles final in history at 5 hours, 53 minute.
Rafael Nadal is in the running for his second Australian Open title after narrowly beating Roger Federer 6-7 6-2 7-6 6-4 Thursday night. The 2009 champion will face off against either Novak Djokovic or Andy Murray.
Fourth seed Maria Sharapova has booked a place in the Australian Open women's final, after knocking out Petra Kvitova with a 6-2 3-6 6-4 victory on Thursday. The Russian will face Belarusian Victoria Azarenka on Saturday.
At the Australian Open quarter-finals Tuesday in Melbourne, Belgium's Kim Clijsters ousted top seed Caroline Wozniacki 6-3, 7-6 (7/4), all but guaranteeing that third seed Victoria Azarenka (pictured) will claim the number one spot.