Marach, Oliver (AUT)
Pavic, Mate (CRO)
Peralta, Julio (CHI)
Venus, Michael (NZL)
Erlich, Jonathan (ISR)
Qureshi, Aisam-Ul-Haq (PAK)
Struff, Jan-Lennard (GER)
Thiem, Dominic (AUT)
Khachanov, Karen (RUS)
Rublev, Andrey (RUS)
Gonzalez, Santiago (MEX)
Zimonjic, Nenad (SRB)
Mayer, Leonardo (ARG)
Ramos-Vinolas, Albert (ESP)
Inglot, Dominic (GBR)
Nestor, Daniel (CAN)
Daniell, Marcus (NZL)
Demoliner, Marcelo (BRA)
Huey, Treat (PHI)
Martin, Fabrice (FRA)
Wu, Yibing (CHN)
Wu, Di (CHN)
Sun, Fajing (CHN)
Te, Rigele (CHN)
Coric, Borna (CRO)
Pella, Guido (ARG)
Ratiwatana, Sonchat (THA)
Sugita, Yuichi (JPN)
Lu, Yen-Hsun (TPE)
Sharan, Divij (IND)
Basilashvili, Nikoloz (GEO)
Istomin, Denis (UZB)