Hiroyuki Ioku boxer
- bouts
- 32
- won
- 12
- lost
- 17
- draw
- 3
- Status
- inactive
- Division
- super lightweight
- Debut
- 1997-10-03
- Height
- 5′ 9″/175cm
- Reach
- -
- Age
- -
- Born
- 1972-12-24
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2009-10-17 | Daisuke Sakamoto | WDLWLW | Korakuen Hall | LOST Unanimous decision |
| 2009-05-26 | Yoshitaka Katabami | WWLWLW | Korakuen Hall | LOST Corner retirement |
| 2007-07-18 | Makoto Yoshida | WWWWWW | Korakuen Hall | LOST Unanimous decision |
| 2007-04-29 | Tsuyoshi Kamiishi | DWLWDW | Arena, Odawara | LOST Unanimous decision |
| 2006-04-30 | Tsuyoshi Kamiishi | LDLDWL | Arena, Odawara | LOST Technical knockout |
| 2005-12-03 | Feifong Kogure | LWLWWW | Korakuen Hall | LOST |
| 2005-05-15 | Kazuhiro Furukawa | LDLWWW | Arena, Odawara | WIN Unanimous decision |
| 2004-12-04 | Norio Kimura | WWWWWW | Korakuen Hall | LOST Unanimous decision |
| 2004-06-12 | Ryosuke Tatsuni | WWWWWW | City Gymnasium, Chigasaki | DRAW Points |
| 2004-03-02 | Koji Yoshida | DWLWLW | Korakuen Hall | DRAW Points |
| 2003-10-17 | Koji Yoshida | WWDWLW | Korakuen Hall | WIN Unanimous decision |
| 2003-06-16 | Ryosuke Tatsuni | WWWWWW | Korakuen Hall | LOST Unanimous decision |
| 2003-03-17 | Kokichi Tanaka | LWLWLW | Korakuen Hall | LOST Unanimous decision |
| 2002-12-11 | Ricky Tsukamoto | WWLWLW | Korakuen Hall | LOST Split-decision |
| 2002-09-10 | Shoji Kawase | WWWWLW | Korakuen Hall | LOST Split-decision |
| 2002-08-02 | Jun Hirose | WLW | Korakuen Hall | WIN Unanimous decision |
| 2002-06-25 | Mitsutaka Nishida | LLLLWW | Korakuen Hall | WIN Unanimous decision |
| 2002-01-29 | Junichiro Kawai | WWLWLL | Pacifico, Yokohama | WIN Unanimous decision |
| 2001-04-10 | Akinori Suzuki | LWWWWD | LOST Points |
|
| 2000-12-05 | Tsunetaka Omi | LL | Korakuen Hall | LOST Points |
| 2000-08-05 | Takashi Ijichi | debut | Korakuen Hall | LOST Majority decision |
| 2000-05-12 | Mitsuyuki Yamashita | W | LOST Points |
|
| 2000-02-16 | Kenji Suzuki | L | WIN Points |
|
| 1999-09-28 | Takahiro Mori | WWDW | LOST Points |
|
| 1999-08-10 | Michio Kobayashi | debut | WIN Points |
|
| 1999-07-08 | Shinya Koyama | W | Korakuen Hall | WIN Points |
| 1999-05-18 | Kokichi Kudo | debut | WIN Points |
|
| 1999-01-29 | Yuto Fukai | debut | Korakuen Hall | WIN Points |
| 1998-07-16 | Junichiro Kawai | LL | Bunka Gym, Yokohama | WIN Points |
| 1998-04-05 | Junichiro Kawai | L | Odawara | WIN Points |
| 1997-12-17 | Haruki Tsuchiya | L | Yokohama | LOST Points |
| 1997-10-03 | Hiroshi Abe | debut | Bunka Gym, Yokohama | DRAW Points |