The K-1 WORLD GP 2018 JAPAN Cruiserweight Championship Tournament takes place on September 24, 2018, at Saitama Super Arena in Saitama, Japan. This event features fighters like Sina Karimian, Ryo Aitaka, K-Jee, and Rui Botelho in the inaugural Cruiserweight Championship Tournament. Competitors battle in an eight-man bracket to become the first champion. The night offers powerful kickboxing clashes. It’s a historic debut for K-1’s cruiserweight division.