Stan Wawrinka
Bye
Robin Haase
Paolo Lorenzi
Alexandr Dolgopolov
Viktor Troicki
Bye
Philipp Kohlschreiber
Ivo Karlovic
Bye
Yoshihito Nishioka
Elias Ymer
Bjorn Fratangelo
Bernard Tomic
Bye
Tomas Berdych
Gael Monfils
Bye
Nikoloz Basilashvili
Darian King
Jordan Thompson
Mikhail Kukushkin
Bye
John Isner
Mischa Zverev
Bye
Joao Sousa
Diego Schwartzman
Radu Albot
Jeremy Chardy
Bye
Dominic Thiem