November 21-22, 2020 was held the 52th All Japan Open Karate Championship (WKO Shinkyokushinkai) among men and women.
Adults Men Open weight
1 Kembu Iriki (Tokyo, Jonan Kawasaki Branch)
2 Daiki Kato (Aichiyama Main Dojo
3 Goto Yuta (Karatedo MAC)
4 Yuto Eguchi (Fukuoka Branch)
5 Yuya Tanaka (Yamada Dojo)
6 Seikei Tada (Fukuoka Branch)
7 Tateya Dobashi (Byakuren Kaikan)
8 Yuto Fukuchi (Byakuren Kaikan)
Adults Women Open weight
1 Chihiro Kubota (Kubota Dojo)
2 Yui Kikukawa (Ashihara Kaikan)
3 Koyaka Kato (Aichi Yamamoto Dojo)
4 Koi Mizutani (Kubota Dojo)