(Newser)
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American teenager Melanie Oudin continued her rampage through the US Open this afternoon, again dropping the first set en route to upsetting a seeded Russian in a 1-6, 7-6 (2), 6-3 victory over No. 13 Nadia Petrova. The 70th-ranked 17-year-old, buoyed by the crowd's vocal support, demonstrated laser-like focus until the final shot, when she dropped her racket and clutched her head in shock, the New York Times reports.
In men's action, Robin Soderling of Sweden advanced to the quarters for the first time when Nikolay Davydenko of Russia retired because of a left leg injury after losing the third set.
