Career
She also had two amateur boxing matches with Russian Elena Karpachova, and one pro boxing match. Kumagai is known for her knockout punch and high KO percentage. Her kickboxing record is 36 fights, with 31 wins 27 via KO, 4 losses and 2 draw.
A First round KO victory over Japan"s Natsumi Nakazawa.
Two fights with Australian star, Amanda Buchanan: The first fight with Buchanan was a five round decision loss to Buchanan for the WKA World Title and the rematch with Buchanan was a 4th round KO victory for Kumagai over Buchanan as Kumagai regained her WKA world title from Buchanan. The 2nd fight with Lisa Howarth in Tokyo was a first round KO Kumagai victory for the WKA World flyweight Title.
Kumagai vs Kyoko Miyazake, "aka Kamikaze" was a fourth rd TKO victory world title defense. Draw vs Australian Star, Holly Ferneley, in a five round Muay Thai fight.
Foreign more information on her fight career, see her interview at She appeared in Jackass The Movie segment "ass kicked by a girl" beating up Ryan Dunn in a kickboxing session.
