Osamu Yoshiyama boxer
- bouts
- 20
- won
- 8
- lost
- 10
- draw
- 2
- Status
- inactive
- Division
- light flyweight
- Debut
- 1973-08-25
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1953-11-01
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1982-12-13 | Tetsumi Takeshita | WWWWWL | Korakuen Hall | LOST KO |
| 1981-12-17 | Masahiro Yanagiya | LDWD | Osaka | WIN KO |
| 1981-10-02 | Rord Mitsuru | WWWWL | Prefectural Gymnasium, Osaka | LOST Split-decision |
| 1978-09-01 | Okihiro Kiyokawa | DLLLWL | Osaka | LOST KO |
| 1978-04-20 | Kazunori Tenryu | WWLWWL | LOST Points |
|
| 1977-11-08 | Yukimitsu Kondo | WLLWLL | Osaka | WIN Points |
| 1977-09-27 | Okihiro Kiyokawa | WWLWDL | Osaka | WIN Points |
| 1977-06-29 | Haruyuki Ohashi | debut | Nagoya | WIN KO |
| 1977-02-08 | Phoenix Taniguchi | WDLWLW | Otsu | LOST Points |
| 1976-07-20 | Phoenix Taniguchi | LWWDLW | Nagoya | WIN Points |
| 1976-05-04 | Okihiro Kiyokawa | WLWWWD | Osaka | LOST Points |
| 1975-10-30 | Fumihiko Tanaka | debut | Osaka | LOST Points |
| 1975-06-05 | Yutaka Toyota | LD | Kinki University Auditorium, Osaka | DRAW Points |
| 1975-02-07 | Moriharu Matsunami | debut | Osaka | LOST Points |
| 1974-11-10 | Akira Yoshimoto | W | Osaka | LOST Points |
| 1974-07-29 | Yasuo Hirano | L | Gifu | DRAW Points |
| 1974-07-04 | Hisahiro Higo | debut | Otsu | WIN KO |
| 1973-10-15 | Hiroki Urushimura | debut | WIN KO |
|
| 1973-09-14 | Masanori Shimizu | debut | LOST KO |
|
| 1973-08-25 | Mitsuo Yamakawa | debut | WIN Points |