Masanobu Sakai boxer
- bouts
- 28
- won
- 15
- lost
- 9
- draw
- 4
- Status
- inactive
- Division
- flyweight
- Debut
- 1965-02-08
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1948-01-27
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1971-05-30 | Mikio Nakada | WWWLWL | Prefectural Gymnasium, Hiroshima | LOST Points |
| 1971-02-18 | Beaver Kajimoto | WWWWWW | Prefectural Gymnasium, Osaka | LOST Points |
| 1970-10-15 | Socrates Batoto | WWWWW | Jakarta | WIN Points |
| 1970-07-23 | Susumu Yokota | LLL | Wakayama | WIN Points |
| 1970-04-22 | Panther Fukuchi | WW | Prefectural Gymnasium, Osaka | DRAW Points |
| 1970-03-07 | Tomoaki Nakano | LLLDW | Osaka | DRAW Points |
| 1969-12-21 | Yoshiaki Matsumoto | WDLLWL | Osaka | LOST KO |
| 1969-10-19 | Tetsuo Tachibana | LLLWLL | Prefectural Gymnasium, Osaka | WIN |
| 1969-09-17 | Toru Takahara | L | Kyuden Gym, Fukuoka | WIN Points |
| 1969-05-21 | Tomoaki Nakano | LLLD | Osaka | LOST Points |
| 1968-07-16 | Shuta Yoshino | WLDLDL | Osaka | DRAW Points |
| 1968-03-13 | Shigeru Taremizu | WLLLLW | Nagoya | LOST KO |
| 1968-02-07 | Toshinobu Tsukamoto | WLWLLW | Nagoya | LOST KO |
| 1968-01-08 | Toshikazu Inaba | LLWD | Sakuranomiya Skating Rink, Osaka | WIN Points |
| 1967-11-22 | Toshikazu Inaba | LLW | Osaka | DRAW |
| 1967-09-05 | Hideo Miyamoto | WLLWWW | Osaka | LOST Points |
| 1967-04-12 | Toshikazu Inaba | L | Osaka | WIN Points |
| 1966-10-09 | Shunpachi Wakagi | WLLLDL | LOST KO |
|
| 1966-09-11 | Kenji Ashikaga | DLWWWL | WIN Points |
|
| 1966-07-04 | Kenichi Iida | LLLLDD | Osaka | WIN Points |
| 1966-04-26 | Yoshio Kimura | WL | Abeno Gymnasium, Osaka | WIN Points |
| 1966-03-01 | Mitsuo Iwatani | debut | Nippon Budokan | WIN Points |
| 1966-01-31 | Shigeru Taremizu | WWWWWW | Osaka | LOST KO |
| 1965-07-19 | Tomoaki Nakano | debut | Kokumin Hall, Osaka | WIN KO |
| 1965-05-10 | Yutaka Goto | L | WIN Technical knockout |
|
| 1965-03-06 | Shingo Yuki | debut | Osaka | WIN KO |
| 1965-02-21 | Tatsuya Yashiro | debut | Osaka | WIN Points |
| 1965-02-08 | Tsuguo Utsunomiya | debut | Osaka | WIN Points |