Albert Ramos-Vinolas
Fabio Fognini
Dominic Thiem
Diego Schwartzman
Roberto Carballes Baena
Jaume Munar
Federico Coria
Fernando Verdasco
Juan Ignacio Londero
Daniel Elahi Galan
Gianluca Mager
Lorenzo Sonego
Marco Cecchinato
Nicolas Kicker
Thomaz Bellucci
Guido Pella
Rogerio Dutra Silva
Borna Coric
Joao Sousa
Matteo Berrettini
Damir Dzumhur
Alexander Zverev
Andrea Pellegrino
Leonardo Mayer
Elias Ymer
Alex Molcan
Victor Estrella Burgos
Gastao Elias
Horacio Zeballos
Alexandr Dolgopolov
Marco Trungelliti
Marin Cilic
Vit Kopriva
Pedro Cachin
Taro Daniel
Kei Nishikori
Juan Pablo Ficovich
Sebastian Ofner
Andrea Collarini
Maximilian Marterer
David Ferrer
Guido Andreozzi
Gerald Melzer
Guillermo Garcia-Lopez
Alessandro Giannessi
Andrej Martin
Stan Wawrinka
Pedro Sousa
Janko Tipsarevic
Malek Jaziri