Osaka, Japan 24th August 2019 K-1 Japan versus the World was staged at the Edion Arena attracting 7,800 spectators. The main event featured ISKA World Champion and Osaka born Kouzi Tanaka against Japanese rival Tatsuya Oiwa, it was a closely fought contest after three rounds the judges scored a draw 29-28, 29-29, 29-29 under K-1 rules they had to fight an extra round, they went toe-to-toe neither man willing to give ground, Kouzi scrapped trough winning a majority decision 10-9, 9-10, 10-9. Japan vs World featured five International matches all of them ended with a KO with Japan winning 4-1.
Kouzi Tanaka (Japan) def. Tatsuya Oiwa (Japan) Dec.
Kenta Hayashi (Japan) def. Deniz Demirkapu (Belgium) KO R2
Masaaki Noiri (Japan) def. Sami Lamiri (Switzerland) KO R2
Kimura Minoru (Brazil) def. Sho Oizumi (Japan) KO R1
Yasuhiro Kido (Japan) def. Antonio Gomez (Spain) KO R2
Ryo Aitaka (Japan) def. Karimian Sina (Iran) KO R3
Hideaki Yamazaki def. Hirayama Jin Dec.
Tetsuya Yamato def. Kensei Kondo Dec.
Yuto Shinohara def. Shinichiro Kawasaki Dec.
Kaisei Kondo def. Riki Matsuoka KO R1
Aoshi def. Tatsuya Tsubakihara Dec.
Kana def. Mahiro Dec.