Seiji Maruyama boxer
- bouts
- 8
- won
- 4
- lost
- 3
- draw
- 1
- Status
- inactive
- Division
- bantamweight
- Debut
- 1981-05-29
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1985-09-29 | Hideki Kanai | LWWWWW | Budokan, Tagawa | LOST KO |
| 1985-04-24 | Keiji Kawamura | WLWLWW | Nogata | LOST Technical knockout |
| 1984-11-29 | Takashi Okamoto | LLDDDW | Prefectural Gymnasium, Kumamoto | WIN Points |
| 1983-12-08 | Takashi Okamoto | LLD | City Gymnasium, Kumamoto | DRAW Points |
| 1983-05-26 | Tsutomu Sakumoto | LW | Kumamoto | WIN KO |
| 1982-09-03 | Shigeru Koide | L | Prefectural Gymnasium, Kumamoto | WIN Points |
| 1982-04-17 | Shigeru Koide | debut | City Gymnasium, Kumamoto | WIN Points |
| 1981-05-29 | Shuji Kubo | debut | Suizenji Gymnasium, Kumamoto | LOST Technical knockout |