Sergey Betov @ Challenger Manama

Viktor Durasovic Salvatore Caruso Mikhail Kukushkin Richard Gasquet Damir Dzumhur Ramkumar Ramanathan Andrea Vavassori Jan-Lennard Struff Goncalo Oliveira Ivan Marrero Curbelo Gastao Elias Cem Ilkel Dominik Kellovsky Christopher O'Connell Andrea Arnaboldi Vit Kopriva Lorenzo Giustino Alexander Ritschard Daniel Evans Tobias Simon Fabio Fognini Alessandro Giannessi Mirza Basic Jelle Sels Matteo Viola Antoine Escoffier Billy Harris Marco Trungelliti Hiroki Moriya Mohamed Safwat Michael Zhu Karim-Mohamed Maamoun Romain Arneodo Benoit Paire Kimmer Coppejans Aslan Karatsev Yunseong Chung Stefano Travaglia Radu Albot David Pichler Marc-Andrea Huesler Kelsey Stevenson Sergey Betov Prajnesh Gunneswaran Jaroslav Pospisil Yasutaka Uchiyama Fajing Sun Elias Ymer Alexander Erler Jozef Kovalik