Victoria Azarenka and Maria Sharapova have assured themselves a spot in the year ending WTA Tour Championships in Istanbul, Turkey.
Meanwhile, Sara Errani and Roberta Vinci hasve quaified for the doubles event.
"I congratulate Victoria, Maria, Sara and Roberta on becoming the first players to secure their places at the TEB BNP Paribas WTA Championships - Istanbul," said WTA Chairman & CEO Stacey Allaster. "Maria and Victoria have had outstanding seasons with each earning Grand Slam titles, the WTA World No.1 ranking and Olympic medals, highlighted by Maria achieving her career Grand Slam. Sara and Roberta have been the stand-out doubles pair this year, winning seven titles including their first Grand Slam title at Roland Garros. We are delighted that Victoria, Maria, Sara and Roberta have qualified for the second staging of the TEB BNP Paribas WTA Championships - Istanbul, which launched with such great success last year in Turkey," commented Ayda Uluc, Turkish Tennis Federation President. "We are planning to raise the bar even higher at this year's event and look forward to showcasing the talents of these extraordinary players to fans in Istanbul and around the world."
"This year has been amazing for me so far, starting by winning the Australian Open, becoming WTA World No.1 for the first time and winning two medals at the Olympics," Azarenka told the press. "Last year, the atmosphere at the WTA Championships in Istanbul was great and I look forward to playing there again."
"I am very happy to be returning to Istanbul," Sharapova commented. "This year has been really special for me, winning the Roland Garros title to complete my career Grand Slam, rising back to No.1 for a time and of course taking home a silver medal from the London Olympics. It will be great to finish off the season in Turkey. We received such incredible support from the fans last year, so I'm looking forward to competing against the world's best players there once again."