Hiroyuki Sakamoto boxer
- bouts
- 47
- won
- 39
- lost
- 7
- draw
- 1
- Status
- inactive
- Division
- lightweight
- Debut
- 1991-12-14
- Height
- 5′ 7″/170cm
- Reach
- -
- Age
- -
- Born
- 1970-12-30
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2007-01-06 | Kanongsuk Sitjapai | debut | Korakuen Hall | DRAW |
| 2006-06-22 | Samrong Wor Surapol | debut | Korakuen Hall | WIN KO |
| 2006-01-14 | Marnkorngthong Polsongkram | LL | Korakuen Hall | WIN KO |
| 2005-05-12 | Tsukasa Kashiwagi | LLWWWW | Korakuen Hall | LOST Technical knockout |
| 2002-10-05 | Masakazu Satake | WWWWWW | Korakuen Hall | LOST Technical knockout |
| 2002-06-01 | Athon Bangkrathok | LLLLWL | Korakuen Hall | WIN Technical knockout |
| 2002-01-05 | Khamphong Saiya | LLLLLL | Korakuen Hall | WIN KO |
| 2000-10-11 | Takanori Hatakeyama | DWWDLW | Arena, Yokohama | LOST KO |
| 2000-03-12 | Gilberto Serrano | WLWWWW | Kokugikan | LOST Technical knockout |
| 2000-01-08 | Hyuk-Jin Kwon | WLWLWL | Korakuen Hall | WIN Unanimous decision |
| 1999-09-04 | Pantan Narongwet | WWLWW | Korakuen Hall | WIN KO |
| 1999-06-27 | Won-Seo Koo | debut | Tagawa | WIN KO |
| 1999-05-08 | Teofilo Tunacao | WLLLWL | WIN KO |
|
| 1999-01-09 | Bert Bado | WWWWWW | Korakuen Hall | WIN Technical knockout |
| 1998-08-23 | Cesar Bazan | WWWDWW | Arena, Yokohama | LOST Unanimous decision |
| 1998-05-09 | Roberto Ruiz | WLLLWL | Korakuen Hall | WIN KO |
| 1998-03-08 | Jun Mondonedo | LLLLWL | Arena, Yokohama | WIN KO |
| 1997-11-22 | Jung Jin Noh | WLWLLL | Osaka-Jo Hall, Osaka | WIN Unanimous decision |
| 1997-07-26 | Stevie Johnston | WWWWWW | Arena, Yokohama | LOST Split-decision |
| 1997-04-05 | Erwin Gonzales | LWLLLL | WIN Technical knockout |
|
| 1997-01-04 | Jung-Man Joo | L | WIN KO |
|
| 1996-11-02 | Ricky Diaz | WWLLWL | WIN KO |
|
| 1996-09-07 | Sung-Moon Kim | LLL | Korakuen Hall | WIN KO |
| 1996-06-01 | Dindo Canoy | DWWLWL | WIN Unanimous decision |
|
| 1996-03-03 | Roger Borreros | LWWWWW | Arena, Yokohama | WIN Technical knockout |
| 1995-11-25 | Jeff Mayweather | LDDLWL | Mirage Hotel & Casino, Las Vegas | WIN Majority decision |
| 1995-09-02 | Jung Jin Noh | DLWWLW | WIN Unanimous decision |
|
| 1995-05-06 | Juan Martin Coggi | WWWWLW | Korakuen Hall | LOST Unanimous decision |
| 1995-03-16 | Felix Tuble | DWWLWL | WIN Unanimous decision |
|
| 1995-01-07 | Jong-Kil Kim | LWWLWL | WIN Unanimous decision |
|
| 1994-10-01 | Richard Acaylar | WWWWWW | WIN KO |
|
| 1994-08-06 | Hiromu Kuwata | WWWDWW | WIN Technical knockout |
|
| 1994-05-07 | Ernie Alesna | WLWWLW | WIN Unanimous decision |
|
| 1994-02-05 | Yuki Ando | WWWWWL | WIN Technical knockout |
|
| 1993-12-13 | Rick Yoshimura | LWWWWW | WIN Technical knockout |
|
| 1993-10-21 | Ruel Alarcon | WLW | Korakuen Hall | WIN KO |
| 1993-08-07 | Hilbert Aragon | LLLDLD | WIN KO |
|
| 1993-06-05 | Do-Il Shin | LLLWL | WIN KO |
|
| 1993-04-15 | Bong Chun Lee | LLLLLL | WIN KO |
|
| 1993-02-20 | Tsutomu Yasuda | W | WIN Unanimous decision |
|
| 1992-12-18 | Koji Nakayama | WWLWWW | WIN Points |
|
| 1992-11-05 | Masaaki Morooka | WWWWD | WIN KO |
|
| 1992-08-31 | Koji Tanaka | L | Korakuen Hall | WIN Technical knockout |
| 1992-07-16 | Seinosuke Adachi | LWWWLL | WIN KO |
|
| 1992-06-17 | Hideki Mori | debut | WIN KO |
|
| 1992-05-18 | Takaharu Kaneshiro | debut | WIN KO |
|
| 1991-12-14 | Seiji Taga | debut | WIN KO |