Hakata Kamachi Cup

(博多・カマチ杯 女流オープン戦) Japanese women's knockout tournament, held in 2020, from 15 February to 9 October.

It's organised by the Nihon Ki-in and sponsored by medical corporation Saitama-Kyojunokai.

16 players competed: Cho Chien, Fujisawa Rina, Joanne Missingham (Hei Jiajia), Mannami Nao, Mukai Chiaki, Nakazawa Ayako, Nyu Eiko, Tsuji Hana, Tsukuda Akiko, Ueno Asami, Xie Yimin and Yashiro Kumiko.

Fujisawa Rina won, beating Ueno Asami in the final. Nyu Eiko beat Mukai Chiaki in a decision match to take third place.

See the Go to Everyone! page for a crosstable.

Discontinued after the first edition, because the sponsor switched to Female Meijin tournament which had lost its main sponsor.