[1] THIEM, Dominic (AUT)
GASQUET, Richard (FRA)
EDMUND, Kyle (GBR)
[C] ZHANG, Zhizhen (CHN)
GARIN, Cristian (CHI)
[Q] NORRIE, Cameron (GBR)
[PR] MURRAY, Andy (GBR)
[8] BERRETTINI, Matteo (ITA)
[4] KHACHANOV, Karen (RUS)
[Q] CUEVAS, Pablo (URU)
[Q] CHARDY, Jeremy (FRA)
CECCHINATO, Marco (ITA)
DIMITROV, Grigor (BUL)
RUBLEV, Andrey (RUS)
KUKUSHKIN, Mikhail (KAZ)
[6] FOGNINI, Fabio (ITA)
[7] MONFILS, Gael (FRA)
ISNER, John (EUA)
[Q] EVANS, Daniel (GBR)
[C] LI, Zhe (CHN)
BASILASHVILI, Nikoloz (GEO)
PELLA, Guido (ARG)
LAJOVIC, Dusan (SER)
[3] TSITSIPAS, Stefanos (GRE)
[5] BAUTISTA, Roberto (ESP)
QUERREY, Sam (EUA)
SCHWARTZMAN, Diego (ARG)
VERDASCO, Fernando (ESP)
ALIASSIME, Felix (CAN)
[SE] RAMOS, Albert (ESP)
[C] TIAFOE, Frances (EUA)
[2] ZVEREV, Alexander (ALE)