Masao Shimoyasuba boxer
- bouts
- 5
- won
- 0
- lost
- 5
- draw
- 0
- Status
- inactive
- Division
- featherweight
- Debut
- 2008-01-10
- Height
- 5′ 4½″/164cm
- Reach
- -
- Age
- -
- Born
- 1975-03-01
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2009-03-08 | Kojiro Takada | LLDLL | IMP Hall, Osaka | LOST Technical knockout |
| 2008-09-15 | Tsuyoshi Takayama | LLLLW | Yomiuri Bunka Hall, Toyonaka | LOST Unanimous decision |
| 2008-06-08 | Keiho Aihara | D | IMP Hall, Osaka | LOST Technical knockout |
| 2008-03-16 | Hoyu Fukushima | LLLWLL | IMP Hall, Osaka | LOST Majority decision |
| 2008-01-10 | Tetsuya Nishinaga | LL | Prefectural Gymnasium, Osaka | LOST Unanimous decision |