Kevin Krawietz and Andreas Mies, Germany, def. Matthias Bachinger and Peter Gojowczyk, Germany, 6-3, 6-4.
Philipp Oswald, Austria, and Mate Pavic, Croatia, def. Hsieh Cheng-Peng, Taiwan, and Christopher Rungkat, India, 7-5, 7-6 (4).
Ken and Neal Skupski (3), Britain, def. Guido Pella and Diego Schwartzman, Argentina, 6-4, 1-6, 10-3.
Frederik Nielsen, Denmark, and Tim Puetz, Germany, def. Andre Begemann and Rudolf Molleker, Germany, 3-6, 6-1, 10-6.