Novak Djokovic (SRB/N.1) - Alexei Popyrin (AUS) 6-4, 6-2
Denis Shapovalov (CAN) - Miomir Kecmanovic (SRB) 6-4, 6-4
Reilly Opelka (USA) - Taylor Fritz (USA/N.7) 6-3, 6-4
Gilles Simon (FRA) - Pablo Andújar (ESP) 6-4, 6-0
Radu Albot (MDA) - Filip Krajinovic (SRB) 6-3, 7-5
Yasutaka Uchiyama (JPN) - Benoît Paire (FRA/N.4) 6-2, 6-2
Jordan Thompson (AUS) - Juan Ignacio Londero (ARG) 6-3, 3-6, 6-3
Taro Daniel (JPN) - Borna Coric (CRO/N.2) 6-4, 4-6, 7-6 (7/5)
Yoshihito Nishioka - Lucas Pouille (5)
David Goffin (3)/Pablo Carreno-Busta - Denis Shapovalov
Hyeon Chung - Marin Cilic (6)
Reilly Opelka - Gilles Simon
Radu Albot - Yasutaka Uchiyama
Alex de Minaur (8)/Lloyd George Harris - John Millman - Adrian Mannarino
Jordan Thompson - Taro Daniel