On Sunday, Dec. 9, Japanese Muay Thai promotion KNOCK OUT held an event from the Ryogoku Kokugikan in Sumida, Japan.

In the night’s headliner, Issei “Sunrise Prince” Ishii won the inaugural flyweight title against “WONDERBOY” Kazuki Osaki following a closely contested tournament final. With the victory, Ishii picked up his fifth victory of the year.

The event aired live on KNOCK OUT’s Twitter.



FULL RESULTS
Issei Ishii def. Kazuki Osaki by majority decision (49-48, 49-49, 49-48) – flyweight tournament final
Fukashi Mizutani def. Yuma Yamaguchi by majority decision (50-48, 49-49, 49-48)
Kaito Ono def. Yosuke Mizuochi by knockout (knee). Round 3, 1:58
Eiasaku Ogasawara def. Ryo Takahashi by unanimous decision (48-47, 48-46, 48-45)
Shunta Ito def. Hirotoshi Murata by TKO (cut). Round 5, 1:49
Chan Hyung Lee def. Hikaru Machida by TKO (cut). Round 4, 2:12
Altandulguun Boldbaatar def. Yota Shigemori by knockout (punch). Round 2, 2:43
Manazou Koabayashi def. Saya Ito by majority decision (49-48, 49-49, 49-48)
Yosuke Morii def. Masa Sato by TKO (leg kick). Round 4, 0:33