Koji Yajima boxer
- bouts
- 21
- won
- 16
- lost
- 3
- draw
- 2
- Status
- inactive
- Division
- lightweight
- Debut
- 1973-04-26
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1954-08-02
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1976-10-01 | Tamio Negishi | WWLWLW | Osaka | LOST KO |
| 1976-06-24 | Tamio Negishi | WWWLWL | LOST Split-decision |
|
| 1976-04-29 | Hitoshi Takahashi | LWWWWL | WIN Points |
|
| 1976-02-23 | Big Yamaryu | WWWWLW | WIN Points |
|
| 1975-11-17 | Jumbo Nakatsuka | LWDWWW | WIN Points |
|
| 1975-07-27 | Tamio Negishi | WWLWWW | WIN Technical knockout |
|
| 1975-05-08 | Masataka Takayama | WWLWWL | Utsunomiya | LOST Points |
| 1975-03-23 | Yukio Sasaki | WWWLLW | Takasaki | WIN Technical knockout |
| 1975-02-27 | Joji Tanaka | LLDL | Metropolitan Gym | WIN Technical knockout |
| 1974-11-17 | Yuki Sato | WLLL | WIN Points |
|
| 1974-09-23 | Yasushi Saigo | LLDLL | WIN Points |
|
| 1974-06-28 | Shichiro Saito | LLLLWL | WIN Points |
|
| 1974-05-28 | Yuki Sato | WLL | Korakuen Hall | WIN Points |
| 1974-02-20 | Sharp Inada | debut | Osaka | WIN Points |
| 1973-12-27 | Shoji Hirose | debut | WIN Points |
|
| 1973-12-04 | Masaki Takahashi | W | DRAW Points |
|
| 1973-11-15 | Kunio Ishisako | L | DRAW Points |
|
| 1973-09-30 | Ryuichi Kawadai | LWWLWW | WIN Points |
|
| 1973-06-26 | Shoichi Ouchi | debut | WIN KO |
|
| 1973-05-21 | Kunio Ishisako | debut | WIN Points |
|
| 1973-04-26 | Kikuo Masaki | debut | WIN Technical knockout |
