Waving the Open flag

Emmanuel Dunand/AFP/Getty Images

Sloane Stephens advanced to the third round with a late-night win over Urszula Radwanska. She takes on fellow American Jamie Hampton next.

Since the U.S. Championships began in 1881, there have been only seven occasions when an American failed to reach either the men’s or women’s singles final: 1959, 1973, 1988, 2004, 2007, 2009 and 2010. Overall, there have been 28 all-international men's singles finals (including 16 in the Open Era) and 16 all-international women's singles finals (including 13 in the Open Era). Heading into Day 4 at Flushing Meadows, there were eight men remaining in the men’s singles draw -- Tim Smyczek, Rajeev Ram, Donald Young, Denis Kudla, Bradley Klahn, Jack Sock, 26th-seeded Sam Querrey and 13th-seeded John Isner – and eight women remaining in the singles draw – top-seeded Serena Williams, 15th-seeded Sloane Stephens, Christina McHale, Jamie Hampton, Bethanie Mattek-Sands, Alison Riske, Sachia Vickery and Victoria Duval.

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