Ken Riyon (Ken Yamasaki) boxer
- bouts
- 4
- won
- 1
- lost
- 3
- draw
- 0
- Status
- inactive
- Division
- super lightweight
- Debut
- 2001-09-30
- Height
- 5′ 7½″/171cm
- Reach
- -
- Age
- -
- Born
- 1983-06-13
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2011-10-16 | Yuya Takanabe | WLL | Prefectural Gymnasium, Kurume | LOST KO |
| 2002-10-13 | Ryo Takahashi | LLWLLW | Yurix, Munakata | LOST KO |
| 2002-02-10 | Yoshitaka Ogawa | W | Yurix, Munakata | WIN KO |
| 2001-09-30 | Yoshitaka Ogawa | debut | Yurix, Munakata | LOST KO |