All Stories: Aleksandra Krunic

NEW YORK: World number ones Novak Djokovic and Serena Williams advanced safely to the next round of the U.S. Open on Saturday but the women's draw saw yet another big upset as Wimbledon winner Petra Kvitova was sent packing by a 145th-ranked qualifier.

NEW YORK: Wimbledon champion Petra Kvitova was ousted by 145th-ranked qualifier Aleksandra Krunic of Serbia 6-4 6-4 in the third round of the U.S. Open on Saturday, joining a long list of women's upset victims.