Maria Kirilenko, who defeated 6th seed Sam Stosur in second round play in Tokyo, defeated 12th seed Ana Ivanovic today in straight sets. 9th seed Agnieszka Radwanska defeated 8th seed Jelena Jankovic, 7th seed Marion Bartoli defeated 10th seed Peng Shuai, and 5th seed Petra Kvitova defeated Vania King, who had upset Anastasia Pavlyuchenkova earlier in the tournament.
The biggest upset in the third round, however, came at the hands of Kaia Kanepi, who beat top seed and defending champion Caroline Wozniacki 7-5, 1-6, 6-4.
The defending doubles champions also made an exit. 2nd seeds Gisela Dulko and Flavia Pennetta defeated Iveta Benesova and Barbora Zahlavova Strycova 6-3, 6-2.