Seeds The following are the seeded players. Rankings and seedings are based on ATP rankings as of March 20, 2017.
Other entrants The following players received wildcards into the singles main draw: •
Thomaz Bellucci •
Michael Mmoh •
Andrey Rublev •
Casper Ruud •
Mikael Ymer The following players received entry using a protected ranking: •
Tommy Haas •
Tommy Robredo The following players received entry from the qualifying draw: •
Radu Albot •
Benjamin Becker •
Aljaž Bedene •
Jared Donaldson •
Ernesto Escobedo •
Christian Harrison •
Darian King •
Mikhail Kukushkin •
Lukáš Lacko •
Dušan Lajović •
Tim Smyczek •
Frances Tiafoe The following player received entry as a lucky loser: •
Mikhail Youzhny Withdrawals ;Before the tournament •
Nicolás Almagro → replaced by
Nikoloz Basilashvili •
Marcos Baghdatis → replaced by
Dustin Brown •
Steve Darcis → replaced by
Guido Pella •
Novak Djokovic (elbow injury) → replaced by
Thiago Monteiro •
Richard Gasquet (appendicitis) → replaced by
Adam Pavlásek •
Daniil Medvedev → replaced by
Damir Džumhur •
Gaël Monfils (ankle injury) → replaced by
Konstantin Kravchuk •
Andy Murray (elbow injury) → replaced by
Taylor Fritz •
Bernard Tomic → replaced by
Mikhail Youzhny •
Jo-Wilfried Tsonga (birth of child) → replaced by
Yoshihito Nishioka ;During the tournament •
Milos Raonic (hamstring injury)
Retirements •
Alexandr Dolgopolov •
Yoshihito Nishioka == ATP doubles main-draw entrants ==