Jan-Lennard Struff
Marin Cilic
Kevin Anderson
Matthew Ebden
Kei Nishikori
Yuichi Sugita
Daniil Medvedev
Diego Schwartzman
Stefanos Tsitsipas
Taro Daniel
Milos Raonic
Adrian Mannarino
Denis Shapovalov
Hyeon Chung
Richard Gasquet
Denis Kudla
Nick Kyrgios
Yoshihito Nishioka
Alex de Minaur
Gilles Simon
Martin Klizan
Steve Johnson
Jeremy Chardy
Damir Dzumhur
Frances Tiafoe
Maximilian Marterer
Yosuke Watanuki
Robin Haase
Benoit Paire
Nicolas Jarry
Stan Wawrinka
Taylor Fritz