Roger Taylor plays his first - round match at the U.S. Open against Marinko Martin . World No . 1 Djokovic , like Murray , is n't in great form , having slumped at warm-up tournaments . Novak Djokovic begins against a young Argentine , Diego Schwartzman . Serena Williams starts against Taylor Townsend and is in Ana Ivanovic 's quarter . Wimbledon finalists Petra Kvitova and Eugenie Bouchard also meet in the last eight .
Roger Taylor plays his first - round match at the U.S. Open against Marinko Martin . World No . 1 Novak Djokovic begins against a young Argentine , Diego Schwartzman . Serena Williams starts against Taylor Townsend and is in Ana Ivanovic 's quarter . Wimbledon finalists Petra Kvitova and Eugenie Bouchard also meet in the last eight .