Yoshiyuki Kobayashi boxer
- bouts
- 3
- won
- 2
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- bantamweight
- Debut
- 2009-03-09
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1991-08-14
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2009-11-09 | Tomoki Hayashi | WWL | Korakuen Hall | WIN Unanimous decision |
| 2009-07-13 | Yuki Fukuda | WDD | Korakuen Hall | LOST Unanimous decision |
| 2009-03-09 | Satoru Morishita | W | Korakuen Hall | WIN Unanimous decision |