Ken Jiro (Fifachi Miyamoto) boxer
- bouts
- 10
- won
- 4
- lost
- 3
- draw
- 3
- Status
- inactive
- Division
- super flyweight
- Debut
- 2006-04-15
- Height
- 5′ 4½″/164cm
- Reach
- -
- Age
- -
- Born
- 1980-11-27
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2010-03-25 | Masami Kusuoka | WLWWWL | Korakuen Hall | LOST Technical knockout |
| 2009-01-22 | Mitsuru Furuya | LWLLWL | Korakuen Hall | LOST Unanimous decision |
| 2008-09-28 | Kaname Tabei | LLWDWL | Differ Ariake | WIN Split-decision |
| 2008-05-17 | Hiroo Inoue | LLWW | Korakuen Hall | DRAW Points |
| 2007-12-24 | Shingo Wake | WWWL | Shinjuku FACE | DRAW Points |
| 2007-08-13 | Shoichiro Kimura | W | Korakuen Hall | WIN Unanimous decision |
| 2007-05-19 | Satoshi Watanabe | W | Korakuen Hall | DRAW Points |
| 2006-12-13 | Akihiro Azuma | WLWLLW | Korakuen Hall | LOST Majority decision |
| 2006-10-11 | Fumiya Nagamine | L | Korakuen Hall | WIN Majority decision |
| 2006-04-15 | Hiroo Inoue | debut | Korakuen Hall | WIN KO |