Hiroyuki Kobayashi boxer
- bouts
- 24
- won
- 16
- lost
- 8
- draw
- 0
- Status
- inactive
- Division
- featherweight
- Debut
- 1979-01-28
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1960-01-11
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1985-05-13 | Tatsunari Hisahiro | WWLWLL | Prefectural Gymnasium, Hiroshima | LOST Technical knockout |
| 1984-12-04 | Eijiro Kuruma | DWLWWW | Prefectural Gymnasium, Osaka | WIN Technical knockout |
| 1984-06-12 | Yoshinari Tanaka | WWLLWW | Korakuen Hall | WIN Points |
| 1984-03-24 | Eijiro Kuruma | WLWDWL | City Gymnasium, Amagasaki | LOST Points |
| 1984-01-24 | Masataka Katayama | LWLLWW | Korakuen Hall | WIN Technical knockout |
| 1983-11-01 | Eijiro Kuruma | WWLWDW | Korakuen Hall | WIN Unanimous decision |
| 1983-06-30 | Takeshi Mitsu | WLWWLW | LOST Points |
|
| 1983-04-25 | Satoshi Koguchi | LWLWLW | Korakuen Hall | WIN KO |
| 1983-03-06 | Chong-Soo Lee | WWWWWW | Seoul | LOST KO |
| 1982-12-01 | Satoshi Okuma | WWWWLD | Leisure Center, Sendai | WIN Unanimous decision |
| 1982-02-10 | Chul Soon Hwang | WWWW | Kyongbuk Gymnasium, Daegu | LOST KO |
| 1981-12-06 | Soon Chun Kwon | WWLWDW | Gwangju City | LOST Points |
| 1981-07-23 | Jackal Maruyama | DWWWWL | Korakuen Hall | LOST Unanimous decision |
| 1981-04-19 | Yoshihiko Kawahira | LLLLD | Korakuen Hall | WIN Technical knockout |
| 1981-01-27 | Masaru Fuji | DWLLLW | Korakuen Hall | WIN KO |
| 1980-10-05 | Frazier Kaneshiro | debut | Korakuen Hall | WIN KO |
| 1980-07-06 | Masao Sugawara | LLL | Korakuen Hall | WIN KO |
| 1980-03-24 | Hirohisa Iino | L | Kokugikan | WIN KO |
| 1979-12-23 | Koji Kobayashi | DDWWWW | Korakuen Hall | LOST KO |
| 1979-11-13 | Moriyuki Yamauchi | debut | WIN KO |
|
| 1979-10-25 | Jun Yanagi | debut | WIN KO |
|
| 1979-06-26 | Manabu Irei | LWWDLL | Korakuen Hall | WIN KO |
| 1979-04-28 | Hideyuki Komizo | debut | WIN Points |
|
| 1979-01-28 | Yasuharu Hashimoto | debut | Korakuen Hall | WIN KO |