Seong Chan Hong @ ATP Houston

Jack Sock Steve Johnson Sam Querrey Fernando Verdasco Daniel Elahi Galan Gijs Brouwer Jordan Thompson Denis Kudla Feliciano Lopez Donald Young Ryan Harrison Taylor Fritz Ivo Karlovic Dustin Brown Thomaz Bellucci Ernesto Escobedo Janko Tipsarevic Bjorn Fratangelo Michael Mmoh Adrian Mannarino Benjamin Becker Horacio Zeballos Kevin Anderson Jeremy Chardy Nicolas Kicker Corentin Denolly James Duckworth Guido Pella Victor Estrella Burgos Teymuraz Gabashvili Leonardo Mayer Bernard Tomic Rogerio Dutra Silva Lukas Lacko Taro Daniel Guillermo Garcia-Lopez Christian Harrison Diego Schwartzman Ricardas Berankis Gerald Melzer Jared Donaldson Kei Nishikori Blaz Kavcic Go Soeda Seong Chan Hong Mischa Zverev Roberto Bautista-Agut Facundo Arguello Sebastian Ofner Joao Souza