All the slots of the 2010 U.S. Open women's quarterfinal field have been filled. Only one is occupied by a seeded player, and it won't be Andrea Petkovic. One year after falling in the last fourth round of play at Flushing Meadows, No. 7 Vera Zvonareva hustled past Petkovic, 6-1, 6-2. Petkovic showed some signs of life late, breaking Zvonareva's serve late in the second set, but to no avail. Zvonareva's quarterfinal foe will be No. 31 Kaia Kanepi, she of the unceremonious Jelena Jankovic-dispatching.
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