K-1 WORLD GP 2018: Lightweight World Tournament: The K-1 WORLD GP 2018 JAPAN Lightweight World Tournament takes place on November 3, 2018, at Saitama Super Arena in Saitama, Japan. This event features fighters like Koya Urabe, Rukiya Anpo, Daizo Sasaki, and Gonnapar Weerasakreck in the Lightweight World’s Strongest Tournament. Competitors vie in an eight-man bracket to prove their dominance. The night promises fierce kickboxing battles. It’s a defining moment for K-1’s lightweight elite.