Seiichi Ninomiya boxer
- bouts
- 4
- won
- 2
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- middleweight
- Debut
- 1968-11-29
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1969-03-30 | Masakazu Taninobu | WWDLWL | Nakajima Sports Center, Sapporo | LOST Points |
| 1969-02-03 | Turtle Okabe | WWWWWW | LOST KO |
|
| 1968-12-14 | Raizo Kashima | DWLW | Osaka | WIN KO |
| 1968-11-29 | Yuji Miyagoshi | debut | Osaka | WIN KO |