sentences:  Shahar Pe'er put a stop to Agnieszka Radwańska's run, but Julia Vakulenko was unable to halt Ágnes Szávay, a player who had previously never gone past the second round of a grand slam.Russians Svetlana Kuznetsova and Anna Chakvetadze progressed with relative ease.James Blake threw three match points in his thriller with Tommy Haas, unable to repeat the previous year's showing of a quarterfinal.