Fabrice Martin, France, and Andreas Mies, Germany, def. Federico Delbonis and Leonardo Mayer, Argentina, walkover.
Matthew Ebden, Australia, and Robert Lindstedt, Sweden, def. Cristian Garin, Chile, and Juan Ignacio Londero, Argentina, walkover.
Philipp Oswald, Austria, and Divij Sharan, India, def. Taro Daniel, Japan, and Marton Fucsovics, Hungary, 6-4, 3-6, 10-8.