[1] NISHIKORI, Kei (JAP)
PAIRE, Benoit (FRA)
HURKACZ, Hubert (POL)
[Q] MOUTET, Corentin (FRA)
[Q] GERASIMOV, Egor (BLR)
HAASE, Robin (HOL)
EBDEN, Matthew (AUS)
[5] TSITSIPAS, Stefanos (GRE)
[3] CILIC, Marin (CRO)
MONFILS, Gael (FRA)
[C] SAFWAT, Mohamed (EGY)
[C] BAGHDATIS, Marcos (CYP)
BERRETTINI, Matteo (ITA)
KUDLA, Denis (EUA)
[Q] BERANKIS, Ricardas (LIT)
[8] MEDVEDEV, Daniil (RUS)
[6] CORIC, Borna (CRO)
KUKUSHKIN, Mikhail (KAZ)
BERDYCH, Tomas (TCH)
BEDENE, Aljaz (SLO)
BAUTISTA, Roberto (ESP)
[C] RAMANATHAN, Ramkumar (IND)
BASILASHVILI, Nikoloz (GEO)
[4] KHACHANOV, Karen (RUS)
[7] RAONIC, Milos (CAN)
STRUFF, Jan-Lennard (ALE)
DZUMHUR, Damir (BIH)
FUCSOVICS, Marton (HUN)
[Q] FABBIANO, Thomas (ITA)
VERDASCO, Fernando (ESP)
KOHLSCHREIBER, Philipp (ALE)
[2] FEDERER, Roger (SUI)