Djokovic moves into last 32, Li Na in last 16 at US Open
Chinese player Li Na stormed into the last 16 in the women's draw of the US Open, beating Laura Robson 6-2, 6-2 while Novak Djokovic booked his spot in the last 32, beating Germany's Benjamin Becker 7-6, 6-2, 6-2.
Andy Murray too moved through to the next round but only after facing some resistance from Argentine Leonardo Mayer, winning 7-5, 6-1, 3-6, 6-1.
Tomas Berdych of the Czech Republic also went safely into the next round, dispatching USA's Denis Kudla 7-6, 7-6, 6-3.
In the women's draw, American Sloane Stephens beat compatriot Jamie Hampton 6-1, 6-3 while Jelena Jankovic beat Japanese Kurumi Nara 6-4, 7-6.
China's Jie Zheng, who knocked out Venus Williams, lost to Carla Suarez Navarro of Spain.