Mikhail Kukushkin, of Kazakhstan, reaches for a serve by John Isner, of the United States, at the Winston-Salem Open tennis tournament in Winston-Salem, N.C., Wednesday, Aug. 20, 2014. (AP Photo/Chuck Burton)

Winston Salem Open Tennis

Mikhail Kukushkin, of Kazakhstan, reaches for a serve by John Isner, of the United States, at the Winston-Salem Open tennis tournament in Winston-Salem, N.C., Wednesday, Aug. 20, 2014. (AP Photo/Chuck Burton)

Top Ranked Players
More Rankings