Masayuki Watanabe Iyonokami boxer
- bouts
- 20
- won
- 11
- lost
- 9
- draw
- 0
- Status
- inactive
- Division
- lightweight
- Debut
- 2006-06-11
- Height
- 5′ 9½″/177cm
- Reach
- -
- Age
- -
- Born
- 1986-03-19
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2015-12-27 | Tesu Kim | WLLWWL | Oyamazaki-cho Gym, Otokuni-gun | LOST Unanimous decision |
| 2014-03-16 | Yusuke Nakagawa | WLWWLW | International Conference Hall, Nagoya | LOST Technical knockout |
| 2012-08-04 | Tatsuro Minowa | DWWWL | Korakuen Hall | LOST Unanimous decision |
| 2012-04-13 | Ryo Nakajima | WWWWWW | Bodymaker Colosseum, Osaka | LOST Unanimous decision |
| 2011-11-27 | Pablo Alberto Inami | WWWDLL | City Sogo Gym, Takasago | WIN KO |
| 2011-04-10 | Kenji Ogiso | LDLLLL | IMP Hall, Osaka | LOST Technical knockout |
| 2010-12-23 | Kiyotaka Kanamaru | WLLLLW | Prefectural Gymnasium, Osaka | WIN Unanimous decision |
| 2010-08-01 | Katsu Tanaka | WLLWLL | IMP Hall, Osaka | WIN Unanimous decision |
| 2010-04-11 | Yoshihisa Tomura | LLLWLL | IMP Hall, Osaka | WIN Split-decision |
| 2009-08-15 | Yuhei Suzuki | WWWW | Prefectural Gymnasium, Osaka | LOST Unanimous decision |
| 2009-07-12 | Kaito Koura | LLLWLL | IMP Hall, Osaka | WIN Unanimous decision |
| 2009-05-05 | Hiroshi Takenawa | WWD | Incubation Center, Amagasaki | WIN Unanimous decision |
| 2009-04-05 | Kazumasa Kusumi | WLW | Abeno Ward Center, Osaka | WIN KO |
| 2008-12-27 | Noboru Morita | WLDWW | Archaic Hall, Amagasaki | WIN Unanimous decision |
| 2008-09-22 | Yuki Kataoka | LWW | Prefectural Gymnasium, Osaka | WIN Technical knockout |
| 2008-07-20 | Norihide Yoshino | DWWW | IMP Hall, Osaka | LOST Majority decision |
| 2008-04-28 | Keigo Nagata | LWWWLD | Prefectural Gymnasium, Osaka | WIN KO |
| 2007-06-17 | Norihide Yoshino | D | IMP Hall, Osaka | LOST Unanimous decision |
| 2007-02-11 | Yuta Uetani | W | IMP Hall, Osaka | LOST Majority decision |
| 2006-06-11 | Yu Deguchi | W | IMP Hall, Osaka | WIN Unanimous decision |