US Open: Murray vs Nishikori, Djokovic vs Tsonga, Monfils vs Pouille and Wawrinka vs de Potro in quarters
US Open: India’s Saketh Myneni loses in a thriller in first round; Djokovic, Nadal move into 2nd round
US Open: Rio Olympic gold medallist Monica Puig loses in first round; Muguruza, Konta move into 2nd round
