Masanori Kobayashi boxer
- bouts
- 11
- won
- 3
- lost
- 7
- draw
- 1
- Status
- inactive
- Division
- lightweight
- Debut
- 2001-11-28
- Height
- 5′ 7″/170cm
- Reach
- -
- Age
- -
- Born
- 1977-04-29
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2005-02-18 | Takamori Akita | DWW | Korakuen Hall | LOST Unanimous decision |
| 2004-06-10 | Keita Suzuki | LWWLDL | Korakuen Hall | LOST Unanimous decision |
| 2004-02-10 | Satoshi Shinohara | LLWWLD | Korakuen Hall | LOST KO |
| 2003-11-02 | Yamato Kato | WDWWWW | Korakuen Hall | LOST Unanimous decision |
| 2003-09-26 | Daisaku Fujino | DWWW | Korakuen Hall | WIN Unanimous decision |
| 2003-06-13 | Masashi Noda | LD | Korakuen Hall | WIN Unanimous decision |
| 2003-02-13 | Yuki Ichige | W | Korakuen Hall | LOST Split-decision |
| 2002-11-06 | Akira Mashimo | debut | Korakuen Hall | LOST Majority decision |
| 2002-07-18 | Kosuke Yomo | L | Korakuen Hall | WIN Unanimous decision |
| 2002-02-12 | Kohei Arai | L | Korakuen Hall | DRAW Points |
| 2001-11-28 | Chikara Miyagi | debut | Korakuen Hall | LOST Points |