Fernando Verdasco
Jason Jung
Denis Shapovalov
Ilya Ivashka
Alex de Minaur
Yuichi Sugita
Albert Ramos-Vinolas
Andreas Seppi
Pierre-Hugues Herbert
Dusan Lajovic
Yoshihito Nishioka
Denis Kudla
Cameron Norrie
Di Wu
Taro Daniel
Tatsuma Ito
Mackenzie McDonald
Lukas Lacko
Viktor Troicki
Guillermo Garcia-Lopez
Ramkumar Ramanathan
Jiri Vesely
Andy Murray
Zhizhen Zhang