Anderson, Kevin (RSA)
Baghdatis, Marcos (CYP)
Berrer, Michael (GER)
Carreno Busta, Pablo (ESP)
Delbonis, Federico (ARG)
Dimitrov, Grigor (BUL)
Khachanov, Karen (RUS)
Kravchuk, Konstantin (RUS)
Kudla, Denis (USA)
Kyrgios, Nick (AUS)
Lajovic, Dusan (SRB)
Lopez, Feliciano (ESP)
Lorenzi, Paolo (ITA)
Lu, Yen-Hsun (TPE)
Mannarino, Adrian (FRA)
Millman, John (AUS)
Monaco, Juan (ARG)
Moriya, Hiroki (JPN)
Ram, Rajeev (USA)
Ramos-Vinolas, Albert (ESP)
Ruud, Casper (NOR)
Schwartzman, Diego (ARG)
Sousa, Joao (POR)
Stepanek, Radek (CZE)
Thiem, Dominic (AUT)
Thompson, Jordan (AUS)
Troicki, Viktor (SRB)
Wu, Di (CHN)