Masayoshi Yamasaki boxer
- bouts
- 10
- won
- 4
- lost
- 5
- draw
- 1
- Status
- active
- Division
- super bantamweight
- Debut
- 2014-08-07
- Height
- -
- Reach
- -
- Age
- 24
- Born
- 1994-09-14
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2018-07-30 | Yuito Yamaguchi | WDLLLL | Korakuen Hall | LOST Unanimous decision |
| 2016-10-20 | Koji Okubo | WDWWWL | Korakuen Hall | LOST Corner retirement |
| 2016-07-21 | Kojiro Sasaki | WLLWWW | Korakuen Hall | LOST Technical knockout |
| 2015-11-19 | Shunta Terai | LLDWW | Korakuen Hall | WIN Unanimous decision |
| 2015-07-28 | Ryusei Ishii | WWLWW | Korakuen Hall | LOST Technical knockout |
| 2015-05-15 | Ryuichi Kakuni | LDLWDW | Korakuen Hall | WIN Technical knockout |
| 2015-04-03 | Yuta Itagaki | WLWDWL | Korakuen Hall | DRAW |
| 2014-10-22 | Katsuaki Kinoshita | LLLL | Yoyogi #2 Gymnasium | WIN Unanimous decision |
| 2014-08-07 | Ryoji Suzuki | debut | Korakuen Hall | LOST Unanimous decision |