2013 Winston-Salem Open – Singles

John Isner was the two-time defending champion, but withdrew from the tournament because of a hip injury. Jürgen Melzer won the title, defeating Gaël Monfils in the final, 6–3, 2–1, ret. == Seeds == All seeds received a bye into the second round. == Draw == Key === Finals === === Top half === ==== Section 1 ==== ==== Section 2 ==== === Bottom half === ==== Section 3 ==== ==== Section 4 ==== == Qualifying == === Seeds === === Qualifiers === === Lucky losers === === Qualifying draw === ==== First qualifier ==== ==== Second qualifier ==== ==== Third qualifier ==== ==== Fourth qualifier ==== == References == Main Draw Qualifying Draw