Koji Yagiu boxer
- bouts
- 9
- won
- 3
- lost
- 4
- draw
- 2
- Status
- inactive
- Division
- flyweight
- Debut
- 1982-05-24
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1987-02-26 | Yasutaka Sakurai | WWW | Korakuen Hall | LOST Points |
| 1984-09-01 | Yoshihiro Yamaguchi | D | Sports Centre, Tsuchiura | LOST Points |
| 1984-01-26 | Katsunori Iwatani | LW | Korakuen Hall | WIN Points |
| 1983-10-11 | Yoshinari Morimoto | WW | Korakuen Hall | LOST Points |
| 1983-05-26 | Toshitsugu Mitsui | LWLD | LOST Points |
|
| 1983-03-29 | Toshitsugu Mitsui | LWL | DRAW |
|
| 1982-12-14 | Hideo Kondo | WW | Korakuen Hall | DRAW Points |
| 1982-07-23 | Katsuo Imai | debut | Korakuen Hall | WIN Points |
| 1982-05-24 | Koji Kawamura | debut | Ikenokawa Gymnasium, Hitachi | WIN Points |