Yoshio Osawa boxer
- bouts
- 10
- won
- 3
- lost
- 7
- draw
- 0
- Status
- inactive
- Division
- welterweight
- Debut
- 2003-07-31
- Height
- 5′ 7½″/172cm
- Reach
- -
- Age
- -
- Born
- 1979-07-02
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2009-03-09 | Hirokazu Wajima | WW | Korakuen Hall | LOST Unanimous decision |
| 2008-07-29 | Yusaku Higashikata | LWDLLD | Korakuen Hall | WIN Unanimous decision |
| 2007-11-20 | Yutaka Takenouchi | WWLDLW | Korakuen Hall | LOST Unanimous decision |
| 2005-12-01 | Kazukaze Yamakawa | LLWWWL | Korakuen Hall | LOST Unanimous decision |
| 2005-07-28 | Yosuke Imaizumi | WWL | Korakuen Hall | LOST Unanimous decision |
| 2005-04-27 | Kei Tokihisa | WWLL | Korakuen Hall | LOST Unanimous decision |
| 2004-08-03 | Tomoyuki Shiotani | LLWLDW | Korakuen Hall | LOST Technical knockout |
| 2004-06-01 | Takuma Yamaguchi | LLW | Korakuen Hall | WIN Technical knockout |
| 2003-11-21 | Akihiro Nakamura | LW | Korakuen Hall | LOST Split-decision |
| 2003-07-31 | Yuta Noto | debut | Korakuen Hall | WIN Technical knockout |