The final round of the women's golf domestic tour tournament was held in Niigata Prefecture, and Ritsuko Ryu won the championship for the first time in five years with a total of 12 under, and won the tour for the sixth time in total.
Kasa went around with three birdies on this day without bogies, and won the championship with a total of 12 unders, keeping the lead from the first day.
Kasa has won the tour for the sixth time since August 2016.
Kana Mikashima came in second with a one-stroke difference, Nana Suganuma came in third with a total of 9 under, and Nana Yamashiro and Momoko Kishibe came in fourth with a total of eight under.