Masayoshi Iwasaki boxer
- bouts
- 16
- won
- 4
- lost
- 6
- draw
- 6
- Status
- inactive
- Division
- featherweight
- Debut
- 2004-05-09
- Height
- 5′ 5½″/167cm
- Reach
- -
- Age
- -
- Born
- 1985-07-01
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2008-12-14 | Tetsuro Inoue | LDWWDL | Tokuyama University Gym, Shunan | LOST Technical knockout |
| 2008-07-06 | Tadamasa Takashima | WWWWWL | Recreation Center, Naha | LOST Majority decision |
| 2008-04-12 | Shinya Fujita | WWWWWL | Clover Plaza, Kasuga | DRAW Points |
| 2008-02-09 | Ryunosuke Sakaki | WWWWWL | Kyuden Gym, Fukuoka | LOST Split-decision |
| 2007-06-24 | Ryo Murakami | WWLLWL | University Gym, Tokuyama | WIN Unanimous decision |
| 2006-09-03 | Junta Kadono | DWLWL | Saty Hall, Sakaide | WIN KO |
| 2006-07-02 | Yoshinori Saeki | LWWDWW | Hakata Star Lane | LOST Majority decision |
| 2006-06-16 | Jiro Hinomaru | WWWLLW | Kyuden Gym, Fukuoka | WIN Split-decision |
| 2006-05-07 | Keigo Domoto | WLLWL | University Gym, Tokuyama | DRAW Points |
| 2005-07-10 | Norihisa Odate | LLWLLW | University Gym, Tokuyama | DRAW |
| 2005-04-17 | Seigo Yuki | LLW | Hayamizu Arena, Miyakonojo | LOST Unanimous decision |
| 2005-03-21 | Shoichi Minami | LWW | Hakata Star Lane | DRAW Points |
| 2004-12-12 | Tatsuya Okabe | LLWWW | City Gymnasium, Yanai | DRAW Points |
| 2004-10-03 | Koji Tomeda | LWL | City Gymnasium, Nobeoka | DRAW Points |
| 2004-07-19 | Takuya Mori | LL | University Gym, Tokuyama | WIN Unanimous decision |
| 2004-05-09 | Ryo Murakami | WLLDLW | City Hall, Hofu | LOST Majority decision |
