K-1 WORLD GP 2017, which will determine the first lightweight champion. In addition to Okube Koya, who won the world's strongest tournament in September 2016, four representatives of Japan and powerful overseas players gathered. They fight a fierce and fierce battle for the crown.

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.