Qualifier Anastasija Sevastova upset Beijing 4th seed Sam Stosur today. In a match in which Stosur held a match point, Sevastova prevailed, 2-6, 7-6, 7-5.
Stosur wasn't the only seed to exit in the first round. Qualifier Roberta Vinci upset defending champion and 10th seed Svetlana Kuznetsova, Gisela Dulko defeated 14th seed Aravane Rezai, and Kaia Kanepi defeated 16th seed Anastasia Pavlyuchenkova.
Also defeated in the opening round were Flavia Pennetta, Yanina Wickmayer and Daniela Hantuchova. They lost to Petra Kvitova, Dominika Cibulkova and Polona Hercog, respectively.
With first and second serve percentages of 26 and 8, the Bondarenko sisters won only one game against Chuang Chia-Jun and Olga Govortsova. It took Chuang and Govortsova only 45 minutes to win.