Linda Fruhvirtova (CZE) vs Petra Martic (CRO)
John Isner (USA) vs Jaume Munar (ESP)
Yoshihito Nishioka (JPN) vs Daniel Elahi Galan
Sloane Stephens (USA) vs Rebecca Peterson (SWE)
Lapangan 17
Ana Bogdan (ROU) vs Liudmila Samsonova
Magda Linette (POL) vs Jil Teichmann (SUI)
Jan Choinski (GBR) vs Dusan Lajovic (SRB)
Danielle Collins (USA) vs Julia Grabher (AUT)
Lapangan 18
Veronika Kudermetova vs Kaia Kanepi (EST)
Albert Ramos-Vinolas (ESP) vs Hubert Hurkacz (POL)
Daria Kasatkina vs Caroline Dolehide
Emil Ruusuvuori (FIN) vs Stan Wawrinka (SUI).