Naoya Hamaguchi boxer
- bouts
- 8
- won
- 4
- lost
- 3
- draw
- 1
- Status
- inactive
- Division
- minimumweight
- Debut
- 2006-03-18
- Height
- 5′ 2″/158cm
- Reach
- -
- Age
- -
- Born
- 1980-07-01
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2015-04-05 | Ryusei Kitamura | WWL | Sumiyoshi Ward Center, Osaka | LOST Unanimous decision |
| 2014-09-14 | Kazuki Kimura | LLWW | Sogo Sports Center, Sasayama | LOST Unanimous decision |
| 2008-04-28 | Combat Tominonaga | LLWWLD | Prefectural Gymnasium, Osaka | WIN |
| 2007-08-25 | Takashi Oku | LWLWWW | Prefectural Gymnasium, Osaka | LOST Majority decision |
| 2007-07-08 | Eiji Yamaguchi | WWLDW | IMP Hall, Osaka | WIN Unanimous decision |
| 2007-04-01 | Oissu Sugikawa | L | Central Hall, Osaka | WIN Unanimous decision |
| 2006-10-09 | Eiji Yamaguchi | WWL | Azalea Taisho, Osaka | DRAW Points |
| 2006-03-18 | Masaki Iwata | debut | Abeno Gymnasium, Osaka | WIN KO |