Masaki Kobayashi boxer
- bouts
- 8
- won
- 6
- lost
- 2
- draw
- 0
- Status
- active
- Division
- welter
- Debut
- 2018-11-22
- Height
- 5′ 11½″/181cm
- Reach
- -
- Age
- 22
- Born
- -
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2021-06-21 | Kojiro Nishikawa | WWLWLD | Korakuen Hall | WIN Unanimous decision |
| 2020-10-19 | Hiroto Hoshi | LDWDWL | Korakuen Hall | LOST KO |
| 2019-11-03 | Kodai Honda | LWWW | Korakuen Hall | LOST Technical knockout |
| 2019-09-27 | Shuhei Hamano | WLLWWW | Korakuen Hall | LOST Technical knockout |
| 2019-08-06 | Toshiya Kawauchi | LDDWWL | Korakuen Hall | WIN Unanimous decision |
| 2019-06-13 | Wataru Tagawa | L | Korakuen Hall | LOST Technical knockout |
| 2019-04-12 | Yuki Aizawa | debut | Korakuen Hall | WIN Technical knockout |
| 2018-11-22 | Nozomu Murata | L | Korakuen Hall | WIN Unanimous decision |