Nadia Petrova defeated Agnieszka Radwańska , 6 -- 4 , 6 -- 7 , 6 -- 4 . Nadia Petrova defeated Agnieszka Radwańska , 6 -- 4 , 6 - 7 , 6 -- 4 . Agnieszka Radwańska defeated Nadia Petrova , 6 -- 4 , 6 -- 7 , 6 - 4 -