Coach Jamie Joseph’s squad trailed 29-0 entering the second half in a match that exposed the team’s weaknesses.
Hataoka finished one stroke ahead of Minjee Lee and Eun Hee Ji for her fifth LPGA Tour title.
Defending champion Inbee Park is three strokes back, while Japan's Nasa Hataoka is tied for 16th.
The 22-year-old Ibaraki Prefecture native earns her first title on the LPGA Tour since March 2019.
While Prime Minister Yoshihide Suga has said that he hopes to see people sitting in the stands during competition, Shigeru Omi, the government's coronavirus adviser, has...
Japan, the defending Olympic men's gymnastics team champion, will compete at the Tokyo Games with four Olympic debutantes, Daiki Hashimoto, Kazuma Kaya, Wataru Tanigawa and Takeru...
Saso, who was born in the Philippines, defeated Nasa Hataoka in a three-hole playoff to become the second teenager to win the golf major.