Hiroyuki Iwamoto boxer
- bouts
- 36
- won
- 25
- lost
- 8
- draw
- 3
- Status
- inactive
- Division
- super bantamweight
- Debut
- 1974-01-27
- Height
- 5′ 6″/168cm
- Reach
- -
- Age
- -
- Born
- 1957-02-05
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1983-11-28 | Takuya Muguruma | WWWWWW | Korakuen Hall | LOST Corner retirement |
| 1983-09-27 | Takeshi Mitsu | LWWLWW | Korakuen Hall | WIN Points |
| 1983-06-14 | Marciano Sekiyama | WLLLLW | WIN Unanimous decision |
|
| 1982-11-16 | Fusao Imai | WLLLWW | Korakuen Hall | WIN Points |
| 1982-09-05 | Soon-Hyun Chung | LWWWWW | Munhwa Gymnasium, Seoul | LOST KO |
| 1982-06-15 | Kenichi Ito | LWLWLW | Korakuen Hall | WIN Majority decision |
| 1981-12-15 | Sanji Ito | WLLWLL | Hamamatsu | WIN Points |
| 1981-10-15 | Bunji Ando | WWWLWW | Korakuen Hall | WIN Points |
| 1981-07-14 | Sanji Ito | WWLLWL | City Gymnasium, Hamamatsu | WIN Split-decision |
| 1981-02-26 | Joe Tatsuki | LWLWWL | WIN Points |
|
| 1980-10-05 | Bunji Ando | LWLWWW | Korakuen Hall | WIN Points |
| 1980-07-06 | Bunji Ando | LLWLWW | Korakuen Hall | LOST Points |
| 1980-03-24 | Kanekatsu Daito | LLWWLL | Kokugikan | WIN Unanimous decision |
| 1979-12-18 | Yu Kasahara | WLWLWL | WIN Unanimous decision |
|
| 1979-09-04 | Yu Kasahara | LWLWLW | WIN Unanimous decision |
|
| 1979-06-12 | Katsuji Sano | LWWWWW | Korakuen Hall | WIN Unanimous decision |
| 1979-01-28 | Satoru Hirata | WWWWWL | Korakuen Hall | WIN Points |
| 1978-10-03 | Keo-Sung Lee | WWW | Seoul | LOST Points |
| 1978-08-28 | Futaro Tanaka | LWLLLW | WIN Technical knockout |
|
| 1978-06-11 | Yung-Shik Kim | WWWWWW | Seoul | LOST Points |
| 1978-03-07 | Seishi Ii | WWLDWW | WIN Technical knockout |
|
| 1977-05-22 | Hisami Mizuno | LWWWLW | Makomanai Indoor Arena, Sapporo | LOST Points |
| 1977-03-19 | Seishi Ii | LWWWWW | WIN Points |
|
| 1976-09-17 | Kazuhiro Kitagaki | DL | LOST Unanimous decision |
|
| 1976-07-12 | Shiro Hiromori | WLWLWW | WIN Technical knockout |
|
| 1976-03-03 | Masaharu Nishi | D | Sakai | DRAW Points |
| 1975-12-28 | Tadao Hatano | DW | WIN Points |
|
| 1975-11-13 | Kazuhiro Kitagaki | D | WIN Points |
|
| 1975-10-26 | Kiyomitsu Hoshina | debut | WIN Points |
|
| 1975-05-18 | Masaru Fuji | WWLWWL | WIN Points |
|
| 1974-12-26 | Eiji Shimamura | D | Korakuen Hall | LOST Points |
| 1974-12-04 | Hiroshi Higuchi | LL | DRAW Points |
|
| 1974-11-20 | Shigenori Maki | debut | DRAW Points |
|
| 1974-10-27 | Eiji Genga | debut | WIN Points |
|
| 1974-07-15 | Nobutsugu Naebara | debut | WIN Points |
|
| 1974-01-27 | Kiyoshi Yamasaki | debut | WIN KO |
