Images from day four of the Australian Open 2012 tennis tournament in Melbourne, on Thursday.
Former champion Jelena Jankovic became the first seed to tumble out of the Indian Wells WTA tournament, losing 6-4, 6-3 to American wild card Jamie Hampton in the second round on Friday.
Top seed Agnieszka Radwanska overcame blustery conditions and a dogged Jamie Hampton in the semi-finals of the Auckland Classic on Friday to set up a title clash against Belgium's Yanina Wickmayer.
Sania Mirza and Monica Niculescu stunned Wimbledon doubles champions Vania King and Yaroslava Shvedova to storm into the quarter-finals of the the Western and Southern Financial Group Women's Open in Cincinnati.
Serbia's Ana Ivanovic overcame a second set resistance to beat Belgium's Kirsten Flipkens on Friday and set up an Auckland Classic final against former World No 1 Venus Williams.
Ana Ivanovic claimed her first WTA Tour title in more than two years with a 6-2, 5-7, 6-4 victory over fellow former world number one Venus Williams to clinch the Auckland Classic on Saturday and boost her confidence ahead of the Australian Open.
Serbia's Novak Djokovic is the top seed in the men's draw which includes five-times US Open champion and 17-times Grand Slam winner Roger Federer as seventh seed - his first time the Swiss has been placed outside the top three in a Grand Slam in over ten years.
