Kancho Joko Ninomiya fought in the First World Open Full Contact Tournament in 1975 where he placed 3rd with just 21 years .
Kancho Joko Ninomiya is the founder of Enshin Karate and the World Sabaki Challenge .
Kancho Joko Ninomiya , the founder of Enshin Karate and the World Sabaki Challenge , fought in the First World Open Full Contact Tournament in 1975 where he placed 3rd with just 21 years .