Masami Yoshinaga boxer
- bouts
- 36
- won
- 7
- lost
- 28
- draw
- 1
- Status
- inactive
- Division
- middleweight
- Debut
- 1970-12-23
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1951-08-13
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1981-02-16 | Masahide Kitamura | LWLWWW | Osaka | LOST KO |
| 1980-08-12 | Minoru Ono | LWLWLL | Utsunomiya | LOST KO |
| 1980-05-05 | Caesar Sasaki | WWWWWW | Yamagata City | LOST KO |
| 1978-08-27 | Minoru Ono | WLWWLL | Mooka | LOST KO |
| 1977-12-17 | Eiichiro Nakau | LLLLW | Nagoya | LOST KO |
| 1977-10-22 | Hitoshi Kanehira | LLLL | Shizuoka | WIN KO |
| 1977-07-19 | Michihiro Horihata | LLWLLL | Yokohama | LOST KO |
| 1976-10-22 | Toshihiko Nagaoka | WWDLW | Shizuoka | LOST KO |
| 1976-08-21 | Michihiro Horihata | WLLWLL | Hachinohe | LOST Technical knockout |
| 1976-07-09 | Yuji Miyagoshi | LLDLLL | Osaka | LOST KO |
| 1976-05-08 | Jae-Keum Lim | WWWWWW | Jeonju | LOST KO |
| 1976-04-15 | Hidemori Tsujimoto | WWWWLL | Osaka | LOST KO |
| 1975-12-14 | Sumio Kai | WWWWWW | LOST KO |
|
| 1975-11-11 | Hitoshi Kanehira | L | Sunpu Arena, Shizuoka | WIN KO |
| 1975-05-03 | Koichi Munakata | LLLWWW | LOST KO |
|
| 1974-10-23 | Isamu Kondo | LL | Shizuoka | LOST KO |
| 1974-09-23 | Shoji Tsujimoto | WWWLWW | Nagano | LOST KO |
| 1974-07-21 | Kenji Shibata | WWWLWW | Korakuen Hall | LOST KO |
| 1974-05-23 | Setsuo Shimowakida | W | Nagoya | LOST KO |
| 1974-04-27 | Isamu Kondo | L | Shimizu | WIN KO |
| 1974-03-02 | Yuji Miyagoshi | LWLLLW | Tokushima City | LOST Points |
| 1973-10-26 | Phil Robinson | WLLWLL | Agana | LOST Technical knockout |
| 1973-09-29 | Hitoshi Watanabe | WWWWWD | Shizuoka | LOST Points |
| 1973-07-27 | Hiroshi Akasaka | LLL | Tsushima | LOST KO |
| 1973-07-05 | Hitoshi Watanabe | LWWWWW | Sunpu Arena, Shizuoka | DRAW Points |
| 1973-05-26 | Hiroshi Akasaka | LL | Shimizu | WIN Corner retirement |
| 1972-09-30 | Shoichi Yanagawa | LWWLWL | Shizuoka | LOST KO |
| 1972-05-24 | Raizo Kashima | WLLLLW | Tokoname | LOST Points |
| 1972-03-18 | Shoichi Yanagawa | DWLWWL | Nagoya | LOST KO |
| 1972-02-15 | Yuji Miyagoshi | WWLWLL | Nagoya | WIN Points |
| 1971-09-30 | Nessie Horiguchi | WLLLLL | Shizuoka | LOST KO |
| 1971-08-27 | Raizo Kashima | LWLLLL | Tokoname | LOST KO |
| 1971-06-17 | Yuji Miyagoshi | LWWWWL | Hamamatsu | LOST Points |
| 1971-03-27 | Yuji Miyagoshi | WLWWWW | Shimizu | WIN Points |
| 1971-02-07 | Michiyoshi Numabe | LLLWWW | LOST Points |
|
| 1970-12-23 | Naoki Konishi | L | Osaka | WIN KO |
