In the women's golf domestic tour tournament, the rest of the second round, which was carried over at sunset, and the final round were held in Shizuoka Prefecture. It was his second win of the season.
Kowaki, who started the final round in the lead with a total of 10 under par, increased his score by two with two birdies and no bogeys, and won the championship with a total of 12 under par.
This is Koiwai's second win of the season and his eighth win of the tour.
Nana Suganuma, Mao Saigo, and Kana Nagai finished in 2nd place, one shot behind.