Record details

	Joon In "Big" YOO
	Super-Flyweight Male (Hayato Kimura) (Previously fought as Hayato Chuwatana) Japan, Yokohama, based in South Korea, Seoul Born: June 23, 1989, Kawasaki, Japan

Professional record


2005
Date	Opponent	Place	Result
+ June 23	Charnvitnoi Kruangbinalai	Bangkok, Thailand	W 6
+ Oct. 24	Dechsuk Sithsaithong	Bangkok, Thailand	TKO 6

2006
Date	Opponent	Place	Result
+ Mar. 26	Jensuk Sor Tiabkhun	Bangkok, Thailand	KO 3
+ June 5	Yodkeng Sitsaithong	Bangkok, Thailand	KO 2

2007
Date	Opponent	Place	Result
+ Mar. 24	Yuichiro Komuro	Gomngju City, South Korea	W 8
+ June 16	Jin Ki Jung	Daegu, South Korea	KO 3
+ Sept. 12	Shingo Shimizu	Tokyo, Japan	W 8
+ Dec. 6	Kyung Jin Son	Gwangwodo, South Korea	W 10
(Won vacant South Korean Super-Flyweight Title)

2008
Date	Opponent	Place	Result
+ Mar. 22	Yong Gi Jo	Jejudo, South Korea	KO 4
(Retained South Korean Super-Flyweight Title)
+ June 24	Yosuke Sekigawa	Tokyo, Japan	TKO 6
+ July 30	Kanchai Klongphajol	Tokyo, Japan	TKO 3
+ Oct. 11	Little Roman	Masan City, South Korea	KO 3
(Won vacant WBO Asia Pacific interim Super-Flyweight Title)

2009
Date	Opponent	Place	Result
+ Feb. 23	Roy Doliguez	Dongducheon, South Korea	W 10
- Apr. 24	Seung Suk Chae	Seoul, South Korea	L 10
(For vacant South Korean Bantamweight Title)
+ Sept. 19	Songsaenglek Posuwangym	Goyang City, South Korea	TKO 3

2010
Date	Opponent	Place	Result
- Jan. 3	Brix Ray	Daegu, South Korea	L 10
+ Apr. 6	Bj Dolorosa	Tokyo, Japan	TKO 5
- July 17	Alex Banal	Tagbilaran City, Philippines	KO by 5 (1:59)
(For vacant WBO Asia Pacific Bantamweight Title)
- Oct. 19	Martin Mubiru	Tokyo, Japan	TKO by 8

2011
Date	Opponent	Place	Result
+ May 14	Nikong Calamba	Jagna, Philippines	KO 2
+ Dec. 7	Kosol Sor VORAPIN	Tokyo, Japan	KO 4

Total bouts: 21, Won: 17 (12 inside the limit), Lost: 4 (2 inside the limit), Draw: 0, NC: 0, ND: 0