Ryu Onigashima boxer
- bouts
- 20
- won
- 12
- lost
- 7
- draw
- 1
- Status
- inactive
- Division
- flyweight
- Debut
- 2006-09-11
- Height
- 5′ 3½″/161cm
- Reach
- -
- Age
- -
- Born
- 1988-02-08
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2014-12-17 | Hideyuki Watanabe | LLWWLD | Korakuen Hall | LOST Technical knockout |
| 2014-08-29 | Ryutaro Taira | WWLLWL | Korakuen Hall | DRAW Majority decision |
| 2012-09-08 | Benezer Alolod | WWWDWD | The Flash Grand Ballroom of the Elorde Sports Complex, Paranaque City | LOST Technical knockout |
| 2012-02-10 | Keiichi Numata | LWWWLL | Korakuen Hall | WIN Technical knockout |
| 2011-05-02 | Hyobu Nakagama | WDLWLD | Korakuen Hall | LOST Technical knockout |
| 2010-11-26 | Yuichi Hamanaka | WLWWWW | Korakuen Hall | WIN KO |
| 2010-03-11 | Yuichi Hamanaka | WLWLWW | Korakuen Hall | LOST Technical knockout |
| 2009-12-15 | Hiroshi Aono | WWWWWL | Korakuen Hall | WIN Technical knockout |
| 2009-07-22 | Gabriel Pumar | WLWWLL | Korakuen Hall | LOST Technical knockout |
| 2009-04-24 | Satoru Harashima | LWDLWW | Korakuen Hall | WIN Technical knockout |
| 2008-12-21 | Makoto Tatematsu | WWWW | Korakuen Hall | WIN Split-decision |
| 2008-11-02 | Kento Shimazu | LLLWWW | Korakuen Hall | WIN Technical knockout |
| 2008-09-26 | Akinari Gishitomi | WWWW | Korakuen Hall | WIN Technical knockout |
| 2008-08-04 | Masaomi Hagata | LLW | Korakuen Hall | WIN Technical knockout |
| 2008-05-27 | Yoshikazu Hoshina | LWWL | Korakuen Hall | WIN Unanimous decision |
| 2007-09-28 | Hirofumi Shimazaki | LWLWWW | Korakuen Hall | LOST Unanimous decision |
| 2007-08-06 | Akira Matsuo | WWWW | Korakuen Hall | WIN Split-decision |
| 2007-05-14 | Shun Kurosawa | DWWLWW | Korakuen Hall | WIN Majority decision |
| 2006-12-11 | Ryoichi Taguchi | WW | Korakuen Hall | LOST Unanimous decision |
| 2006-09-11 | Wataru Yoshiura | LW | Korakuen Hall | WIN Unanimous decision |