Results on Sunday at the 20.6-million-dollar US Open. ( dpa )
Women's singles, fourth round
Jelena Jankovic, 2, Serbia, def. Caroline Wozniacki, Denmark, 3-6, 6-2, 6-1
Men's singles, third round
Nikolay Davydenko, 5, Russia, def. Dmitry Tursunov, Russia, 6-2, 7-6 (7-3), 6-3