Andrea Collarini @ Challenger Dallas

Denis Kudla Ryan Harrison Taylor Fritz Marco Trungelliti Emilio Gomez Rajeev Ram Jurij Rodionov Bjorn Fratangelo Kei Nishikori Brayden Schnur Ernesto Escobedo Kyle Edmund Daniel Evans Thomaz Bellucci Andrey Rublev Goncalo Oliveira Teymuraz Gabashvili Benjamin Becker Marinko Matosevic Christian Harrison Filip Peliwo Roberto Quiroz Elias Ymer Michael Mmoh Donald Young Gijs Brouwer Hunter Reese Alex Rybakov Mikhail Kukushkin Agustin Velotti Sebastian Ofner Di Wu Dustin Brown Andrea Collarini Jan Satral Rhyne Williams Salvatore Caruso Gastao Elias Andreas Seppi Nick Chappell Jelle Sels Guido Andreozzi Radu Albot Joao Souza Christopher O'Connell Alexander Bublik Bernard Tomic Zhe Li Jared Donaldson Daniel Elahi Galan