Danilo Petrovic @ ATP Hamburg

Alexander Zverev Andrey Rublev Leonardo Mayer Filip Krajinovic Jiri Vesely Martin Klizan Maximilian Marterer Alex Molcan Roberto Bautista-Agut Daniel Elahi Galan Albert Ramos-Vinolas Elias Ymer Nicolas Kicker Lucas Pouille Jeremy Chardy Guillermo Garcia-Lopez Jerzy Janowicz Richard Gasquet Dustin Brown Mikhail Kukushkin Juan Ignacio Londero Marco Trungelliti Jaume Munar Alexey Vatutin Gianluca Mager Riccardo Bonadio Albert Montanes Mikhail Youzhny Guido Pella Robin Haase Gastao Elias Kenny de Schepper Andrey Kuznetsov Taylor Fritz Federico Coria Kei Nishikori Daniel Evans Danilo Petrovic Lorenzo Sonego Gerald Melzer Thomaz Bellucci Johan Nikles Botic Van De Zandschulp Sebastian Ofner Mischa Zverev Adrian Mannarino Pedro Cachin Taro Daniel Andrea Collarini Mikael Ymer