Yoshiyuki Kosaka boxer
- bouts
- 3
- won
- 0
- lost
- 2
- draw
- 1
- Status
- inactive
- Division
- super lightweight
- Debut
- 2009-05-05
- Height
- 5′ 9″/175cm
- Reach
- -
- Age
- -
- Born
- 1986-04-29
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2011-07-16 | Masaki Fujii | LLLW | Ohama Gym, Sakai | LOST KO |
| 2010-10-31 | Kazuya Matsuo | LLWLLL | Shimizu Marine Building, Shizuoka | DRAW Majority decision |
| 2009-05-05 | Sho Horii | debut | Incubation Center, Amagasaki | LOST Unanimous decision |