| No. | Result | Record | Opponent | Type | Round, time | Date | Location | Notes | 
| 20 | Loss | 18–2 | Masamori Tokuyama | KO | 5 (12) | 2001-05-20 | Sheraton Walker Hill Hotel, Seoul, South Korea | For WBC super flyweight title | 
| 19 | Loss | 18–1 | Masamori Tokuyama | UD | 12 (12) | 2000-08-27 | Prefectural Gymnasium, Osaka, Japan | Lost WBC super flyweight title | 
| 18 | Win | 18–0 | Julio Cesar Avila | UD | 12 (12) | 2000-05-14 | Sheraton Walker Hill Hotel, Seoul, South Korea | Retained WBC super flyweight title | 
| 17 | Win | 17–0 | Gerry Peñalosa | SD | 12 (12) | 2000-01-02 | Sheraton Walker Hill Hotel, Seoul, South Korea | Retained WBC super flyweight title | 
| 16 | Win | 16–0 | Keiji Yamaguchi | UD | 12 (12) | 1999-09-05 | Kokugikan, Tokyo, Japan | Retained WBC super flyweight title | 
| 15 | Win | 15–0 | Pone Saengmorakot | KO | 8 (12) | 1999-06-13 | Sheraton Walker Hill Hotel, Seoul, South Korea | Retained WBC super flyweight title | 
| 14 | Win | 14–0 | Joel Luna Zárate | MD | 12 (12) | 1999-01-10 | Ritz Carlton Hotel, Seoul, South Korea | Retained WBC super flyweight title | 
| 13 | Win | 13–0 | Gerry Peñalosa | SD | 12 (12) | 1998-08-29 | Ritz Carlton Hotel, Seoul, South Korea | Won WBC super flyweight title | 
| 12 | Win | 12–0 | Tanpit Sithchula | KO | 2 (10) | 1998-01-23 | Guri Gymnasium, Guri, South Korea |  | 
| 11 | Win | 11–0 | Aidos Yeraliyev | KO | 7 (10) | 1997-06-27 | Pupeung, South Korea |  | 
| 10 | Win | 10–0 | Vadim Safin | PTS | 10 (10) | 1996-11-22 | Seoul, South Korea |  | 
| 9 | Win | 9–0 | Boyet Nice | KO | 3 (10) | 1996-09-20 | Junggu Hall, Seoul, South Korea |  | 
| 8 | Win | 8–0 | Hiroaki Fukumoto | PTS | 10 (10) | 1995-04-23 | Seoul, South Korea |  | 
| 7 | Win | 7–0 | Mario Parcon | KO | 5 (10) | 1995-02-08 | Seoul, South Korea |  | 
| 6 | Win | 6–0 | Tacy Macalos | PTS | 10 (10) | 1994-01-30 | Prince Hotel, Daegu, South Korea |  | 
| 5 | Win | 5–0 | Reynante Jamili | PTS | 10 (10) | 1993-10-23 | Seoul, South Korea |  | 
| 4 | Win | 4–0 | Abraham Torres | PTS | 10 (10) | 1993-06-06 | Hyeonpung Citizen Hall, Daegu, South Korea |  | 
| 3 | Win | 3–0 | Jongjong Perez | KO | 1 (8) | 1993-01-31 | Pohang Gymnasium, Pohang, South Korea |  | 
| 2 | Win | 2–0 | Lito Gonzaga | PTS | 10 (10) | 1992-09-27 | Wongwang University, Iksan, South Korea |  | 
| 1 | Win | 1–0 | Rodrigo Boy Louperez | KO | 4 (8) | 1992-04-18 | Munhwa Gymnasium, Seoul, South Korea |  |