Marin Cilic
Stefanos Tsitsipas
Steve Johnson
Dominic Thiem
David Goffin
Feliciano Lopez
Milos Raonic
Viktor Troicki
Richard Gasquet
Sam Querrey
Kevin Anderson
Gilles Simon
Jiri Vesely
Albert Ramos-Vinolas
Diego Schwartzman
Donald Young
Adrian Mannarino
Go Soeda
Yuichi Sugita
Benoit Paire
Alexandr Dolgopolov
Daniil Medvedev
Matthew Ebden
Ivo Karlovic
Ryan Harrison
Yusuke Takahashi
Bernard Tomic
Joao Sousa
Yen-Hsun Lu
Taro Daniel
Yasutaka Uchiyama
Franko Skugor