[1] TSITSIPAS, Stefanos (GRE)
PAIRE, Benoit (FRA)
ISNER, John (EUA)
CARUSO, Salvatore (ITA)
CILIC, Marin (CRO)
[C] KORDA, Sebastian (EUA)
SANDGREN, Tennys (EUA)
[7] ALIASSIME, Felix (CAN)
[3] SCHWARTZMAN, Diego (ARG)
[Q] MUSETTI, Lorenzo (ITA)
[Q] NAKASHIMA, Brandon (EUA)
TIAFOE, Frances (EUA)
KECMANOVIC, Miomir (SER)
LOPEZ, Feliciano (ESP)
MANNARINO, Adrian (FRA)
[5] DIMITROV, Grigor (BUL)
[6] FOGNINI, Fabio (ITA)
TRAVAGLIA, Stefano (ITA)
NORRIE, Cameron (GBR)
[Q] KOSLOV, Stefan (EUA)
[C] LOPEZ, Gerardo (MEX)
KOEPFER, Dominik (ALE)
PAUL, Tommy (EUA)
[4] RAONIC, Milos (CAN)
[8] RUUD, Casper (NOR)
[SE] GALAN, Daniel (COL)
[LL] KUDLA, Denis (EUA)
[Q] GRIEKSPOOR, [Q]Tallon (HOL)
JOHNSON, Steve (EUA)
DJERE, Laslo (SER)
[C] ALCARAZ, Carlos (ESP)
[2] ZVEREV, Alexander (ALE)
