[1] THIEM, Dominic (AUT)
DONSKOY, Evgeny (RUS)
BEDENE, Aljaz (ESV)
JAZIRI, Malek (TUN)
MAYER, Florian (ALE)
TSITSIPAS, Stefanos (GRE)
ESTRELLA, Victor (DOM)
[5] GASQUET, Richard (FRA)
[3] BERDYCH, Tomas (TCH)
STRUFF, Jan-Lennard
LORENZI, Paolo
[C] MONFILS, Gael (FRA)
TROICKI, Viktor (SER)
[Q] BERRETTINI, Matteo (ITA)
GOJOWCZYK, Peter (ALE)
[6] KRAJINOVIC, Filip (SER)
[8] LOPEZ, Feliciano (ESP)
GARCIA, Guillermo (ESP)
[RP] HAIDER-MAURER, Andreas (AUT)
[Q] BASIC, Mirza (BIH)
[C] AL-MUTAWA, Jabor (CAT)
[Q] TRAVAGLIA, Stefano (ITA)
PELLA, Guido (ARG)
[4] RAMOS, Albert (ESP)
[7] VERDASCO, Fernando (ESP)
SELA, Dudi (ISR)
STEBE, Cedrik-Marcel (ALE)
RUBLEV, Andrey (RUS)
FABBIANO, Thomas (ITA)
BASILASHVILI, Nikoloz (GEO)
CORIC, Borna (CRO)
[2] CARRENO, Pablo (ESP)