NEW YORK (AP) — Second seed Roger Federer and No. 3 Andy Murray were among the winners during Day 2 at the U.S. Open. Second seed Simona Halep advanced on the women's side, as did fourth seed Caroline Wozniacki and No. 5 Petra Kvitova. Yesterday's first-round losers included women's sixth seed Lucie Safarova and men's No. 11 Gilles Simon.

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