Won-Seo Koo boxer
- bouts
- 4
- won
- 1
- lost
- 3
- draw
- 0
- Status
- inactive
- Division
- super lightweight
- Debut
- 1999-06-27
- Height
- 5′ 7″/170cm
- Reach
- -
- Age
- -
- Born
- 1981-01-19
- Death
- -
- Nationality
- South Korea
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2000-09-02 | Jung-Bum Kim | WWWWWW | Myongji University, Seoul | LOST Points |
| 2000-06-10 | Dong-Choon Shin | debut | Jongha Gymnasium, Ulsan | WIN Points |
| 2000-03-19 | Yosuke Otsuka | WWWWWW | International Conference Hall, Nagoya | LOST Technical knockout |
| 1999-06-27 | Hiroyuki Sakamoto | WWWLWW | Tagawa | LOST KO |
