| No. |
Result |
Record |
Opponent |
Type |
Round, time |
Date |
Location |
Notes |
| 53 |
Loss |
46-5-1 (1) |
Baek In-Chul |
KO |
9 (10), 1:47 |
1988-12-22 |
World Trade Center, Seoul, South Korea |
|
| 52 |
Loss |
46-4-1 (1) |
Fulgencio Obelmejias |
KO |
8 |
1988-05-23 |
Waikiki Arena, Suanbo, South Korea |
Lost WBA super-middleweight title |
| 51 |
Win |
46-3-1 (1) |
Polly Pasireron |
KO |
5 (12), 2:25 |
1988-03-01 |
Jeonju Gymnasium, Jeonju, South Korea |
Retained WBA super-middleweight title |
| 50 |
Win |
45-3-1 (1) |
Jesus Gallardo |
TKO |
2 (12), 0:27 |
1987-12-06 |
Sajik Gym, Busan, South Korea |
Won inaugural WBA super-middleweight title |
| 49 |
Win |
44-3-1 (1) |
Emmanuel Otti |
TKO |
4 (15), 3:08 |
1987-07-26 |
Kwangju Coliseum, Gwangju City, South Korea |
Retained IBF super-middleweight title |
| 48 |
Win |
43-3-1 (1) |
Lindell Holmes |
SD |
15 |
1987-05-03 |
Sunin Gymnasium, Incheon, South Korea |
Retained IBF super-middleweight title |
| 47 |
Win |
42-3-1 (1) |
Doug Sam |
TKO |
15 (15), 1:55 |
1987-01-25 |
Hilton Hotel, Seoul, South Korea |
Retained IBF super-middleweight title |
| 46 |
Win |
41-3-1 (1) |
Marvin Mack |
UD |
15 |
1986-09-14 |
Kudok Gymnasium, Busan, South Korea |
Retained IBF super-middleweight title |
| 45 |
NC |
40-3-1 (1) |
Lindell Holmes |
NC |
2 (15), 1:10 |
1986-07-06 |
Sports Arena, Chungju, South Korea |
Retained IBF super-middleweight title |
| 44 |
Win |
40-3-1 |
Vinnie Curto |
KO |
15 (15), 2:15 |
1986-04-11 |
Los Angeles Memorial Sports Arena, Los Angeles, California, U.S. |
Retained IBF super-middleweight title |
| 43 |
Win |
39-3-1 |
Noh Chang-Hwan |
KO |
9 (12), 2:10 |
1986-01-02 |
Seoul, South Korea |
|
| 42 |
Win |
38-3-1 |
Vinnie Curto |
UD |
15 |
1985-06-30 |
Munhwa Gymnasium, Seoul, South Korea |
Retained IBF super-middleweight title |
| 41 |
Win |
37-3-1 |
Noh Chang-Hwan |
PTS |
12 |
1985-04-28 |
Busan, South Korea |
|
| 40 |
Win |
36-3-1 |
Roy Gumbs |
KO |
2 (15), 1:42 |
1985-01-02 |
Munhwa Gymnasium, Seoul, South Korea |
Retained IBF super-middleweight title |
| 39 |
Win |
35-3-1 |
Wally Carr |
PTS |
10 |
1984-10-07 |
Jangchung Gymnasium, Seoul, South Korea |
|
| 38 |
Win |
34-3-1 |
Murray Sutherland |
KO |
11 (15), 1:12 |
1984-07-22 |
Jangchung Gymnasium, Seoul, South Korea |
Won IBF super-middleweight title |
| 37 |
Win |
33-3-1 |
Roosevelt Green |
KO |
9 (10), 1:33 |
1984-06-17 |
Seoul, South Korea |
|
| 36 |
Win |
32-3-1 |
Charles Carter |
PTS |
10 |
1984-02-05 |
Seoul, South Korea |
|
| 35 |
Win |
31-3-1 |
Rosendo Ruvalcaba |
KO |
5 (10), 0:42 |
1983-12-04 |
Munhwa Gymnasium, Seoul, South Korea |
|
| 34 |
Win |
30-3-1 |
Gary Hubble |
KO |
9 (12), 1:10 |
1983-11-06 |
Munhwa Gymnasium, Seoul, South Korea |
Won OPBF light-heavyweight title |
| 33 |
Win |
29-3-1 |
Ra Kyung-Min |
KO |
4 (12), 1:32 |
1983-09-04 |
Munhwa Gymnasium, Seoul, South Korea |
Won OPBF middleweight title |
| 32 |
Loss |
28-3-1 |
Ra Kyung-Min |
KO |
7 (12), 1:48 |
1983-05-29 |
Seoul, South Korea |
Lost OPBF middleweight title |
| 31 |
Win |
28-2-1 |
Antonio Leyva |
KO |
4 (10) |
1983-04-10 |
Seoul, South Korea |
|
| 30 |
Win |
27-2-1 |
Naoto Suzuki |
KO |
4 (12) |
1982-12-26 |
Seoul, South Korea |
Retained OPBF middleweight title |
| 29 |
Win |
26-2-1 |
Valence Haralan |
KO |
2 (12), 1:44 |
1982-07-18 |
Munhwa Gymnasium, Seoul, South Korea |
Retained OPBF middleweight title |
| 28 |
Win |
25-2-1 |
Suwarno |
KO |
4 (12), 2:59 |
1982-04-18 |
Munhwa Gymnasium, Seoul, South Korea |
Retained OPBF middleweight title |
| 27 |
Win |
24-2-1 |
Ritchie Roberts |
KO |
8 (12), 1:32 |
1982-02-07 |
Munhwa Gymnasium, Seoul, South Korea |
Retained OPBF middleweight title |
| 26 |
Win |
23-2-1 |
Mana Premchai |
KO |
4 (10), 0:57 |
1982-01-03 |
Munhwa Gymnasium, Seoul, South Korea |
Retained OPBF middleweight title |
| 25 |
Loss |
22-2-1 |
Fulgencio Obelmejias |
KO |
8 (10) |
1981-11-07 |
Caracas, Venezuela |
|
| 24 |
Win |
22-1-1 |
Mana Premchai |
KO |
11 (12), 0:12 |
1981-09-09 |
Janhchung Gymnasium, Seoul, South Korea |
Retained OPBF middleweight title |
| 23 |
Win |
21-1-1 |
Lee Sang-Ho |
KO |
9 (12) |
1981-08-02 |
Munhwa Gymnasium, Seoul, South Korea |
|
| 22 |
Win |
20-1-1 |
Kenji Shibata |
KO |
5 (12), 1:45 |
1981-06-21 |
Munhwa Gymnasium, Seoul, South Korea |
Retained OPBF middleweight title |
| 21 |
Win |
19-1-1 |
Caesar Sasaki |
KO |
6 (12), 2:23 |
1981-04-05 |
Munhwa Gymnasium, Seoul, South Korea |
Retained OPBF middleweight title |
| 20 |
Win |
18-1-1 |
Joe Willisco |
KO |
3 (12), 2:27 |
1980-12-06 |
Munhwa Gymnasium, Seoul, South Korea |
Retained OPBF middleweight title |
| 19 |
Win |
17-1-1 |
Phil Davies |
KO |
3 (12), 1:32 |
1980-11-03 |
Munhwa Gymnasium, Seoul, South Korea |
Retained OPBF middleweight title |
| 18 |
Win |
16-1-1 |
Torkano Marcos |
TKO |
5 (12), 1:29 |
1980-09-24 |
Jangchung Gymnasium, Seoul, South Korea |
Retained OPBF middleweight title |
| 17 |
Win |
15-1-1 |
Peter Piamonte |
KO |
4 (12), 0:54 |
1980-08-08 |
Seoul, South Korea |
Retained OPBF middleweight title |
| 16 |
Win |
14-1-1 |
Fred Rolando Pastor |
KO |
4 (10) |
1980-06-21 |
Munhwa Gymnasium, Seoul, South Korea |
|
| 15 |
Win |
13-1-1 |
Rocky Joe |
KO |
8 (12), 1:07 |
1980-05-04 |
Jakarta, Indonesia |
Retained OPBF middleweight title |
| 14 |
Win |
12-1-1 |
Kenji Shibata |
KO |
5 (12), 1:17 |
1980-03-18 |
Munwha, Gymnasium, Seoul, South Korea |
Retained OPBF middleweight title |
| 13 |
Win |
11-1-1 |
Katsuo Esashi |
KO |
3 (12), 1:17 |
1980-01-27 |
Munwha, Gymnasium, Seoul, South Korea |
Retained OPBF middleweight title |
| 12 |
Win |
10-1-1 |
Cassius Naito |
KO |
2 (12), 1:55 |
1979-08-22 |
Munwha, Gymnasium, Seoul, South Korea |
Won vacant OPBF middleweight title |
| 11 |
Win |
9-1-1 |
Michihiro Horihata |
KO |
3 (10), 2:33 |
1979-06-02 |
Munwha, Gymnasium, Seoul, South Korea |
|
| 10 |
Win |
8-1-1 |
Armando Boniquit |
KO |
3 (10), 2:01 |
1979-04-22 |
Munwha, Gymnasium, Seoul, South Korea |
|
| 9 |
Win |
7-1-1 |
Alberto Cruz |
KO |
3 (10), 2:29 |
1979-03-17 |
Daegu Gymnasium, Daegu, South Korea |
|
| 8 |
Win |
6-1-1 |
Thomas Abarca |
KO |
2 (10), 2:14 |
1979-02-03 |
Munwha, Gymnasium, Seoul, South Korea |
|
| 7 |
Win |
5-1-1 |
Choi Chang-Baek |
KO |
3 (10), 0:22 |
1978-12-17 |
Munwha, Gymnasium, Seoul, South Korea |
Won vacant South Korean middleweight title |
| 6 |
Win |
4-1-1 |
Kazuo Goshima |
KO |
1 (6), 0:27 |
1978-08-28 |
Korakuen Hall, Tokyo, Japan |
|
| 5 |
Loss |
3-1-1 |
Kang Hung-Won |
KO |
1 (10), 2:57 |
1978-06-14 |
Munwha, Gymnasium, Seoul, South Korea |
For South Korean middleweight title |
| 4 |
Draw |
3-0-1 |
Kang Seung-Hwan |
PTS |
8 |
1978-03-25 |
Munwha, Gymnasium, Seoul, South Korea |
|
| 3 |
Win |
3-0 |
Kang Seung-Hwan |
PTS |
6 |
1977-12-25 |
Munwha, Gymnasium, Seoul, South Korea |
|
| 2 |
Win |
2-0 |
Kim Jung-Sik |
KO |
2 (4), 0:55 |
1977-12-23 |
Munwha Gymnasium, Seoul, South Korea |
|
| 1 |
Win |
1-0 |
Chung Yong-Soo |
KO |
3 (4) |
1977-11-26 |
Munhwa Gymnasium, Busan, South Korea |
|