(1) Federer, Roger 
vs Krajinovic, Filip 
Struff, Jan-Lennard 
vs Millman, John 
Mayer, Leonardo 
vs Simon, Gilles 
(SE) Gulbis, Ernests 
vs (5/WC) Sock, Jack 
(4) Tsitsipas, Stefanos 
vs Chardy, Jeremy
Gojowczyk, Peter vs Jarry, Nicolas 
Qualifier vs Seppi, Andreas 
Marterer, Maximilian vs (7) Medvedev, Daniil 
(6) Cecchinato, Marco vs (WC) Laaksonen, Henri
(WC) Fritz, Taylor vs Qualifier
Qualifier vs Harrison, Ryan
Shapovalov, Denis 
vs (3) Cilic, Marin 
(8) Bautista Agut, Roberto 
vs Sousa, Joao 
Wawrinka, Stan vs Mannarino, Adrian
Qualifier vs Ebden, Matthew
Haase, Robin 
vs (2) Zverev, Alexander
