Sanam Singh @ Challenger Savannah

Bjorn Fratangelo Christian Harrison Jack Sock Jared Donaldson Donald Young Denis Kudla Federico Coria Michael Mmoh Gerald Melzer Nicolas Kicker Paolo Lorenzi Gijs Brouwer Nick Kyrgios Facundo Arguello Andrea Arnaboldi Jose Pereira Bernard Tomic Thomaz Bellucci Ramkumar Ramanathan Illya Marchenko Viktor Durasovic Nicolas Jarry Corentin Denolly Filip Krajinovic Takanyi Garanganga Christopher O'Connell Tomas Lipovsek Puches Sanam Singh Guido Andreozzi Kyle Edmund Gastao Elias Matija Pecotic Andrea Collarini Ricardo Rodriguez-Pace Alex Lawson Emilio Gomez Roberto Quiroz Nathaniel Lammons Nick Chappell Leonardo Mayer Andre Ghem Gonzalo Escobar Horacio Zeballos Mohamed Safwat Ryan Harrison Ernesto Escobedo Nino Serdarusic Goncalo Oliveira Roman Safiullin Akira Santillan