Denis Istomin
Thanasi Kokkinakis
Juan Martin del Potro
Quentin Halys
Gilles Simon
Daniil Medvedev
Nikoloz Basilashvili
Borna Coric
Jordan Thompson
Benoit Paire
Kyle Edmund
Thiago Monteiro
Hyeon Chung
Donald Young
Karen Khachanov
Renzo Olivo
Carlos Berlocq
Tennys Sandgren
Nicolas Kicker
Dustin Brown
Andreas Seppi
Damir Dzumhur
Gastao Elias
Radu Albot