| No amateur results Professional record|  |  | 2004 |  | Date | Opponent | Place | Result |  | + May 8 | Ji-Yang Kim | Seoul, South Korea | KO 1 |  | + June 18 | Kyung-Ha Bae | Chuncheon, South Korea | KO 1 |  | + Sept. 18 | Myung-Sook Jang | Seoul, South Korea | W 8 |  | + Dec. 19 | Min-Joo Han | Seongnam City, South Korea | W 8 |  |  |  | 2005 |  | Date | Opponent | Place | Result |  | + May 6 | Rea Kamboa | Seoul, South Korea | KO 3 |  | + Nov. 12 |  Melissa Shaffer | Seongnam City, South Korea | W 10 |  | (Won vacant IFBA Minimumweight Title) |  |  |  | 2006 |  | Date | Opponent | Place | Result |  | + May 20 |  Satoko Kamimura | Jeongeup, South Korea | W 10 |  | (Retained IFBA Minimumweight Title) |  | + Dec. 9 |  Luo Yu Jie | Seoul, South Korea | W 10 |  | (Won vacant WBA Minimumweight Title) |  |  |  | 2007 |  | Date | Opponent | Place | Result |  | + Aug. 24 | Lin Jin Mei | Seoul, South Korea | W 10 |  | (Retained WBA Minimumweight Title) |  |  |  | 2008 |  | Date | Opponent | Place | Result |  | + Mar. 16 |  Gretchen Abaniel | Seoul, South Korea | TW 4 |  | (Retained WBA Minimumweight Title) |  |  |  | 2009 |  | Date | Opponent | Place | Result |  | - Apr. 11 |  Etsuko  Tada | Osaka, Japan | L 10 |  | (Lost WBA Minimumweight Title) |  |  |  |  |  | 2010 Inactive
 |  |  |  | 2011 |  | Date | Opponent | Place | Result |  | - Nov. 30 |  Naomi  Togashi | Tokyo, Japan | L 10 UD |  | (For WBC Light-Flyweight Title) | 
   
SummaryTotal bouts: 12, Won: 10 (3 inside the limit), Lost: 2 (0 inside the limit), Draw: 0, NC: 0, ND: 0 |