Masaji Iwamoto boxer
- bouts
- 39
- won
- 30
- lost
- 7
- draw
- 2
- Status
- inactive
- Division
- flyweight
- Debut
- 1954-07-24
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1934-07-14
- Death
- -
- Nationality
- North Korea
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1958-11-18 | Atsuto Fukumoto | LWWDDL | LOST Points |
|
| 1958-10-06 | Ramon Arias | WWWLDW | Caracas | LOST Points |
| 1958-09-13 | Ramon Arias | WWWWLD | Maracaibo | LOST Technical knockout |
| 1958-04-17 | Sonchai Kanonsuk | debut | Bangkok | WIN Points |
| 1958-03-14 | Pone Kingpetch | WWWLWW | Bangkok | LOST Points |
| 1958-01-07 | Sadao Yaoita | WWWDWW | LOST Points |
|
| 1957-10-18 | Takeshi Yamaguchi | WWWWLL | WIN Points |
|
| 1957-09-21 | Keizo Kamei | LLWWWW | Osaka | WIN Points |
| 1957-09-06 | Tan Inoue | WLWL | Kyoto | WIN KO |
| 1957-07-21 | Toshiro Tanaka | WWWDWW | WIN Points |
|
| 1957-06-05 | Danny Kid | WDDLWD | WIN Points |
|
| 1957-04-26 | Masaki Kanehira | LWWLLL | WIN Points |
|
| 1957-02-19 | Hitoshi Misako | LWWWLW | DRAW Points |
|
| 1957-01-12 | Shoichi Asami | LLWWLW | WIN Points |
|
| 1956-11-14 | Saburo Otaki | WWLWLW | WIN Points |
|
| 1956-10-27 | Masaru Horiuchi | LWL | Osaka | WIN Points |
| 1956-10-09 | Masayuki Hasegawa | LWLLDL | Osaka | WIN Points |
| 1956-08-30 | Eiji Sawamura | LWWLLW | WIN Points |
|
| 1956-07-08 | Baby Johnson | WLWWL | WIN KO |
|
| 1956-04-28 | Masaki Kanehira | DLLWWW | LOST Points |
|
| 1956-04-19 | Speedy Akira | WLLWWW | WIN Points |
|
| 1956-03-02 | Masayuki Hasegawa | LWWLLW | WIN Points |
|
| 1955-12-02 | Masaru Horiuchi | debut | WIN Points |
|
| 1955-10-14 | Masaki Kanehira | LLDWDL | WIN Points |
|
| 1955-09-02 | Eiji Sawamura | LDLWLD | WIN Points |
|
| 1955-08-05 | Masayuki Hasegawa | DDWDWD | Tokyo Skate Rink | WIN Points |
| 1955-06-10 | Isao Kitahara | debut | Metropolitan Gym | WIN Points |
| 1955-05-12 | Hikaru Kikuta | L | Kobe | WIN Points |
| 1955-04-11 | Joji Sakuramori | L | Kyoto | WIN Technical knockout |
| 1955-01-31 | Takashi Nawada | debut | WIN Points |
|
| 1955-01-14 | Masaru Miyazaki | L | WIN Points |
|
| 1955-01-03 | Satoru Tominaga | W | Kyoto | WIN Points |
| 1954-12-17 | Tetsu Takagi | debut | DRAW Points |
|
| 1954-11-02 | Hideo Suzuki | L | Prefectural Gymnasium, Osaka | WIN Points |
| 1954-10-15 | Shiro Watamaki | L | Osaka | WIN Points |
| 1954-09-27 | Satoru Tominaga | debut | Osaka | LOST Points |
| 1954-08-15 | Shiro Watamaki | debut | Osaka | WIN Points |
| 1954-08-08 | Joji Sakuramori | debut | Osaka | WIN Points |
| 1954-07-24 | Takashi Furukawa | debut | Osaka | WIN KO |