Marcos Baghdatis
Victor Estrella Burgos
Sergiy Stakhovsky
Steve Johnson
Marcel Granollers
Vasek Pospisil
Santiago Giraldo
Andreas Haider-Maurer
Simone Bolelli
Go Soeda
Alexandr Dolgopolov
Donald Young
Alexander Zverev
Mikhail Kukushkin
Yen-Hsun Lu
Ruben Bemelmans
Dudi Sela
Daniel Gimeno-Traver
Aljaz Bedene
Diego Schwartzman
Hyeon Chung
Albert Ramos-Vinolas
Taylor Fritz
Pablo Carreno Busta
Sam Groth
Mischa Zverev
Tim Smyczek
James Ward
Malek Jaziri
Kyle Edmund
Denis Istomin
Nicolas Almagro