The K-1 WORLD GP 2023 1st Middleweight Championship Tournament takes place on June 3, 2023, at Yokohama Budokan in Yokohama, Japan. This kickboxing event features an eight-man Middleweight Championship Tournament with fighters like Hassan Toy, Shintaro Matsukura, Igor Silva, and Hiromi Wajima. The tournament concludes with Hassan Toy facing Shintaro Matsukura in the final to crown the inaugural champion. Additional bouts include K-Jee vs. Viktor Hugo and Kana Morimoto vs. Funda Alkayis on the card. It’s a historic night for K-1, marking its 30th anniversary with the first middleweight title.

Krush 173 event took place on April 29, 2025, at Korakuen Hall in Bunkyo, Tokyo, Japan, promoted by K-1 Japan Group. This kickboxing showcase features Kenshin Kodama facing Kuto Ueno in a super featherweight (-60kg) main event. The co-main event pits Takahito Niimi against K. Sekiguchi in a flyweight (-57.5kg) bout. Other notable fights include T. Tsukamoto vs. Hiroto Iwasaki, Kenta Tagami vs. Masaki Oishi, and Yuya Hayashi vs. Eruto, spanning 12 bouts across various weight classes.