Yoichiro Maruyama boxer
- bouts
- 5
- won
- 3
- lost
- 1
- draw
- 1
- Status
- inactive
- Division
- super flyweight
- Debut
- 2005-10-11
- Height
- 5′ 6″/168cm
- Reach
- -
- Age
- -
- Born
- 1981-08-06
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2007-04-18 | Kohei Kubo | WWL | Korakuen Hall | LOST Majority decision |
| 2006-10-31 | Kohei Kubo | WW | Korakuen Hall | WIN Technical knockout |
| 2006-07-02 | Yasutoshi Minoura | W | Omori Gold Gym | WIN Majority decision |
| 2006-03-29 | Hiroshi Nakamura | L | Korakuen Hall | WIN Unanimous decision |
| 2005-10-11 | Masanobu Hashimoto | L | Korakuen Hall | DRAW Points |