Kevin Anderson, South Africa, def. Li Zhe, China, 6-1, 6-3.
Fabio Fognini, Italy, def. Albert Ramos-Vinolas, Spain, 7-5, 6-3.
Janko Tipsarevic, Serbia, def. Philipp Kohlschreiber, Germany, 6-2, 6-4.
Wu Di, China, def. Pablo Cuevas (16), Uruguay, 6-3, 4-6, 7-6 (2).
Jo-Wilfried Tsonga, France, and Nenad Zimonjic, Serbia, def. Steve Johnson and Sam Querrey, United States, 6-4, 6-4.
This story has been automatically published from the Associated Press wire which uses US spellings