WTA Osaka Premier | Cemento | $823.000
(1) Osaka, Naomi vs Bye
Qualifier vs Qualifier
(WC) Hibino, Nao vs Qualifier
Putintseva, Yulia 
vs (8) Martic, Petra 
(3) Stephens, Sloane 
vs Bye
Qualifier vs Giorgi, Camila 
Muguruza, Garbiñe 
vs Hsieh, Su-Wei 
Mertens, Elise 
vs (6) Sevastova, Anastasija 
(5) Keys, Madison vs Kasatkina, Daria 
Puig, Monica 
vs Qualifier
Riske, Alison vs Qualifier
Bye vs (4) Kerber, Angelique 
(7) Vekic, Donna vs Garcia, Caroline 
Mladenovic, Kristina vs (WC) Doi, Misaki
Yastremska, Dayana 
vs Pavlyuchenkova, Anastasia
Bye vs (2) Bertens, Kiki 
