Victor Estrella Burgos @ Challenger Chicago

Kaichi Uchida Ernesto Escobedo Denis Istomin Billy Harris Yunseong Chung Alexander Sarkissian Roman Safiullin Illya Marchenko Donald Young Bernard Tomic Radu Albot Hugo Nys Gijs Brouwer Ryan Harrison Bjorn Fratangelo Jordan Thompson Kei Nishikori Seong Chan Hong Strong Kirchheimer Hugo Grenier Borna Gojo Ricardas Berankis Ricardo Rodriguez-Pace Antoine Bellier Christopher O'Connell Yasutaka Uchiyama Antoine Escoffier Dhakshineswar Suresh Takanyi Garanganga Mikhail Kukushkin Michael Mmoh Marcelo Arevalo Henri Laaksonen Hiroki Moriya Darian King Joris De Loore Alex Rybakov Daniel Elahi Galan Alexander Ritschard Emilio Gomez Roberto Quiroz Andreas Seppi Vasek Pospisil Victor Estrella Burgos Viktor Troicki Kevin Kylar Makoto Ochi Elias Ymer Juan Pablo Ficovich Steve Johnson