Roberta Vinci Pictures
ISTANBUL, TURKEY - OCTOBER 25: Sara Errani and Roberta Vinci of Italy and Serena Williams pose for photographers after receiving the WTA Year End No. 1 Doubles and Singles presented by Dubai Duty Free trophies during day four of the TEB BNP Paribas WTA Championships at the Sinan Erdem Dome on October 25, 2013 in Istanbul, Turkey. (Photo by Matthew Stockman/Getty Images)