Robin Haase
Yuichi Sugita
Leonardo Mayer
Donald Young
Denis Shapovalov
Viktor Troicki
Benoit Paire
Mischa Zverev
Evgeny Donskoy
Aljaz Bedene
Jared Donaldson
Marcos Baghdatis
John Millman
Peter Gojowczyk
Daniil Medvedev
Stefanos Tsitsipas
Joao Sousa
Ryan Harrison
Steve Johnson
Victor Estrella Burgos
Mikael Ymer
Jan-Lennard Struff
Guillermo Garcia-Lopez
Tennys Sandgren
Maximilian Marterer
Marton Fucsovics
Mikhail Youzhny
Guido Pella
Frances Tiafoe
Nicolas Kicker
Jiri Vesely
Lukas Lacko
Nicolas Jarry
Cameron Norrie
Dusan Lajovic
Horacio Zeballos
Pierre-Hugues Herbert
Taylor Fritz
Matthew Ebden
Gilles Simon
Yuki Bhambri
Mirza Basic
Vasek Pospisil
Ivo Karlovic
Marius Copil
Mikhail Kukushkin
Denis Istomin
Miomir Kecmanovic
Nikoloz Basilashvili
Thomas Fabbiano
Jeremy Chardy
Rogerio Dutra Silva
Radu Albot
Ricardas Berankis
Liam Broady
Bjorn Fratangelo
Yoshihito Nishioka
Alex de Minaur
Thanasi Kokkinakis
Calvin Hemery
Nicola Kuhn
Darian King
Michael Mmoh
Christopher Eubanks