Stanislas Wawrinka on brink of advancing
Stanislas Wawrinka, the No. 25 seed, is up 5-4 in the fifth set and is close to advancing to the quarterfinals.
Sam Querrey, the No. 20 seed, will be serving for his U.S. Open life.
The winner will play No. 12 seed Mikhail Youzhny.
More tennis
Venus Williams gets a US Open singles wild card at 46, with maybe a spot being held for Serena
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Serena and Venus Williams return to doubles and lose close match in Cincinnati
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Eala and Auger-Aliassime, Svitolina-Monfils, Errani-Vavassori get US Open mixed doubles wild cards
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Fresh off Toronto title, Iga Swiatek wins first match at Cincinnati Open
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