Djokovic, Swiatek advance before China's Zhang shocks Ruud at US Open
NEW YORK :It was business as usual at the U.S. Open on Wednesday with Novak Djokovic and Iga Swiatek marching confidently into the third round but the day ended with a late run of shockers that saw Casper Ruud and Petra Kvitova dumped out of the tournament.