Ryota Tanuma @ Challenger Yokohama

Yasutaka Uchiyama Yunseong Chung Duckhee Lee Go Soeda Ji Sung Nam Igor Marcondes Christopher O'Connell Di Wu Jordan Thompson Cem Ilkel Yusuke Takahashi Seong Chan Hong Michael Mmoh Blake Mott Jurij Rodionov Nino Serdarusic Gastao Elias Jonathan Mridha Kei Nishikori John Millman Jumpei Yamasaki Cheong-Eui Kim Gianluca Mager Damir Dzumhur Mats Moraing Ryota Tanuma Zhe Li Frederico Ferreira Silva Filip Peliwo Blaz Kavcic Takuto Niki Christoph Negritu Ramkumar Ramanathan Makoto Ochi Elias Ymer Hiroyasu Ehara Viktor Troicki Renta Tokuda Fajing Sun Agustin Velotti Edan Leshem Prajnesh Gunneswaran Masato Shiga Marinko Matosevic Lloyd Harris James Duckworth Ernesto Escobedo Goncalo Oliveira Pedro Cachin Victor Vlad Cornea