He is a two-time K-1 Japan tournament runner-up and holds notable wins over Ben Edwards, Sander Thonhauser and Faisal Zakaria.

After his graduation in 1998, Hayashi moved to the Netherlands to train at the world famous Chakuriki Dojo under the guidance of Thom Harinck.

In 2004 he received his Muay Thai teaching diploma from Thom Harinck and opened his own gym, Dojo Chakuriki Japan, in Tokyo.

He commented: "Just like Chakuri spirit, "going forward, and forward" I am determined to win against this illness, and in my heart I swore I will be back in that ring and fight again, and for now I will dedicate myself to the medical treatment".

He was successfully treated in 2010 and continues his kickboxing career as the head of Dojo Chakuriki Japan.