Gojowczyk/Mayer @ ATP Doha MD

Chardy/Martin Murray/Soares Haase/Middelkoop Marach/Pavic Goffin/Herbert Cabal/Farah Pospisil/Stepanek Niklas-Salminen/Ruusuvuori Mektic/Peya Inglot/Mergea Lopez/Ram Carreno-Busta/Lopez Djokovic/Djokovic Gille/Vliegen Dzumhur/Lajovic Basilashvili/Haider-Maurer Knowle/Oswald Gonzalez/Jarry Marrero/Zimonjic Bagnis/Vesely Marrero/Verdasco Haase/Petzschner Coric/Struff Gonzalez/Qureshi Almagro/Verdasco Dodig/Verdasco Skupski/Skupski Altuna/Ymer Gojowczyk/Mayer Puetz/Struff Krajinovic/Troicki Jaziri/Zayed Mergea/Zimonjic Jebavy/Pavlasek Sonego/Vavassori Khachanov/Rublev Krawietz/Puetz Al Mutawa/Zayed Ramos-Vinolas/Verdasco Matkowski/Qureshi Kohlschreiber/Struff Lorenzi/Mayer Baghdatis/Matkowski Khachanov/Kuznetsov Fyrstenberg/Murray Mahut/Roger-Vasselin Pavic/Peya Goransson/Verbeek Lorenzi/Ramos-Vinolas Nestor/Oswald