WTA Tokyo | Premier | Indoor | $799.000
(1/WC) Wozniacki, Caroline 
vs Bye
Qualifier vs Giorgi, Camila 
(WC) Azarenka, Victoria 
vs (WC) Nara, Kurumi
Vandeweghe, CoCo 
vs (7) Barty, Ashleigh 
(3) Osaka, Naomi vs Bye
Qualifier vs Cibulkova, Dominika 
Mladenovic, Kristina 
vs Kontaveit, Anett 
Qualifier vs (8) Strycova, Barbora 
(6) Muguruza, Garbiñe 
vs Bencic, Belinda 
Qualifier vs Qualifier
(WC) Pliskova, Kristyna vs Gavrilova, Daria
Bye vs (4) Pliskova, Karolina
(5) Stephens, Sloane vs Vekic, Donna 
Qualifier vs Konta, Johanna 
Pavlyuchenkova, Anastasia 
vs Sasnovich, Aliaksandra
Bye vs (2) Garcia, Caroline
