Koji Otsuka boxeador
- luta
- 25
- vitória
- 12
- derrota
- 9
- empate
- 4
- Estado
- inactive
- divisão
- super lightweight
- Estreia
- 1996-04-14
- Altura
- 5′ 11½″/181cm
- Alcance
- -
- Idade
- -
- Born
- 1977-05-23
- Death
- -
- Nascimento
- Japan
| Data | Adversário | Últimos resultados dos adversários | Lugar | Resultado |
|---|---|---|---|---|
| 2006-03-15 | Takao Onda | LWLWWL | Korakuen Hall | LOST Technical knockout |
| 2005-10-30 | Seishu Iida | WWWWDW | Clover Plaza, Kasuga | DRAW |
| 2005-03-21 | Ranger Iizuka | WLWWWL | Hakata Star Lane | DRAW Points |
| 2003-08-31 | Seesawat Sakmuangklang | LLL | Zepp, Fukuoka | WIN Unanimous decision |
| 2003-03-16 | Takuya Suga | LWDDLW | Zepp, Fukuoka | WIN Corner retirement |
| 2002-12-15 | Bomber Hirozane | WW | University Gym, Tokuyama | WIN Unanimous decision |
| 2002-04-27 | Sayan Chuwatana | debut | Zepp, Fukuoka | WIN Unanimous decision |
| 2001-11-11 | Tadashi Yuba | DWWWDW | Kasuya Dome, Kasuyacho | LOST KO |
| 2001-04-08 | Al Jongjong Abao | WLLLLL | Zepp, Fukuoka | WIN Technical knockout |
| 2000-08-13 | Naoto Takajo | WWWWWW | Nagoya | LOST Technical knockout |
| 2000-06-12 | Tatsuhisa Kawashima | LLLWWW | LOST Points |
|
| 2000-01-23 | Katsuya Iwashita | LDDWWD | City Gym, Nase | LOST Points |
| 1999-11-03 | Katsuya Iwashita | WLDDWW | Iizuka | DRAW Points |
| 1999-08-29 | Tetsuji Onizuka | debut | Miyazaki | WIN Technical knockout |
| 1999-06-06 | Yasunari Yoshida | LLDLL | Kure | WIN Technical knockout |
| 1999-03-20 | Ryoichi Hashiguchi | L | Tokai | LOST Points |
| 1998-10-26 | Ryota Komaki | WWWDLL | Gifu | DRAW Points |
| 1998-09-13 | Daiichiro Kujo | debut | WIN KO |
|
| 1998-02-17 | Yoshiaki Miyata | WLLL | Hiroshima | WIN Points |
| 1997-10-14 | Takeshi Matsumoto | W | Hiroshima | LOST KO |
| 1997-08-03 | Kazuhiko Hidaka | WW | Miyakonojo | LOST Technical knockout |
| 1997-05-11 | Katsuya Iwashita | LWWWL | Hakata Star Lane, Fukuoka | LOST Points |
| 1996-07-21 | Eiichiro Nishio | debut | Oita | WIN KO |
| 1996-06-02 | Kenji Shibazaki | debut | Yamaguchi City | WIN KO |
| 1996-04-14 | Tsuyoshi Takei | debut | Miyazaki | WIN KO |