Ogasawara Eisaku (born 11 September 1995) is a Japanese kickboxer. He is the reigning KNOCK OUT RED Featherweight champion and the former ISKA World Bantamweight K-1, WPMF Super Bantamweight and KNOCK OUT Super Bantamweight champion. Martial arts career Flyweight Rebels Flyweight title reign Ogasawara made his professional debut in July 2017 against Shoyo Yuasa, during the REBELS×IT’S SHOWTIME crossover event. Ogasawara won the fight by unanimous decision. After a KO victory in Thailand a month later, Eisaku went on a six fight winning streak, beating Tatakau Pastry, Naoya Yajima, Yasuhito Furuta, Yosuke Kafuji, Dynamo Puchi, and Kiminori Matsuzaki. His eight fight winning streak earned him a chance to fight Hiroyuki Yamano for the REBELS-Muaythai Flyweight title. He defeated Yamano by unanimous decision. After winning his first major title, Ogasawara would suffer his first professional loss in the very next fight. He was scheduled to fight Ryuji Kato during TNK1 feat.REBELS, and lost by KO in the first round. Ogasawara was then scheduled to fight Hong Chunhen, but once again lost by KO, after being dropped three times in the second round. Eisaku would rebound from these losses by winning his next five fights. He beat Rose Tatsuya and Satoshi Katashima by TKO, and won decisions against Yasuhito Furuta, Yun Dok Jae and Jockylek GT-gym. He was scheduled to fight for the MuayThaiOpen Super Flyweight title during MuayThaiOpen 30. Ogasawara won the fight by TKO in the second round, after knocking Takayuki down three times in the second round. The two of them fought a rematch four months later, during REBELS.37, for the REBELS 52.5kg title. Ogasawara once again won by TKO, this time in the first round. Super bantamweight ISKA and WPMF title wins Ogasawara afterwards fought Yuko Ogata at BLADE.2, and won the fight by a first round KO. Eisaku then fought Munfan Acegym during Rebels 38, and won by unanimous decision. He scored knockout wins of Arashi Fujihara and Takashi Ohno, as well as a unanimous decision win over Taiki Naito. Ogasawara was scheduled to fight the former RISE Bantamweight champion Yuta Murakoshi during RISE 112. Eisaku lost by a third round TKO. It was his first loss in nearly three years. He rebounded from his loss with a 43 second KO of Masahide Kudo. Ogasawara won his next five fights by (T)KO as well, scoring victories over Keisuke Miyamoto, Hiroya Haga, Sung Ji Byun, Wanchalong PK.Saenchai and