Who won U.S. Open 2016?
The winner of the U.S. Open in 2016 was Stan Wawrinka who defeated Novak Djokovic in a hard-fought match. Stan Wawrinka hails from Swiss and had an ATP ranking of 4 at the time of the tournament. On the other hand, Novak Djokovic had an ATP ranking of 2 during the tournament.