Kozo Watanabe boxer
- bouts
- 20
- won
- 13
- lost
- 6
- draw
- 1
- Status
- inactive
- Division
- welterweight
- Debut
- 1998-02-27
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1976-03-21
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2010-07-28 | Akio Shibata | LWWWWL | Korakuen Hall | LOST Unanimous decision |
| 2010-05-15 | Takehiro Shimokawara | WWWWWW | Korakuen Hall | LOST Split-decision |
| 2009-10-21 | Daisuke Kato | LLLWWL | Korakuen Hall | WIN Unanimous decision |
| 2006-02-14 | Akira Takeyama | WLWWWW | Korakuen Hall | LOST Unanimous decision |
| 2005-12-22 | Suruga Danji | WWLLWW | Korakuen Hall | WIN Technical knockout |
| 2005-08-20 | Nobuhiro Ishida | WWWLWW | Korakuen Hall | LOST Unanimous decision |
| 2005-05-07 | Masao Ayusawa | WWWWLL | Korakuen Hall | WIN Split-decision |
| 2004-06-23 | Yasuhito Kasagi | WWLWLW | Korakuen Hall | DRAW Points |
| 2004-04-14 | Daisuke Negishi | WWWLLL | Korakuen Hall | WIN Unanimous decision |
| 2004-01-21 | Luiz Okamoto | LWWWWW | Korakuen Hall | WIN Unanimous decision |
| 2003-05-27 | Robert Sithgorson | LL | Korakuen Hall | WIN KO |
| 2002-10-31 | Takeshi Isobe | WLL | Korakuen Hall | WIN KO |
| 2002-09-10 | Yusuke Toyoda | WLWWLL | Korakuen Hall | WIN Unanimous decision |
| 2002-06-15 | Hironori Shirahata | WWL | Korakuen Hall | WIN Technical knockout |
| 1999-11-06 | Masao Ayusawa | WLLWWW | Korakuen Hall | LOST KO |
| 1999-09-28 | Yoshitaka Noda | W | WIN Technical knockout |
|
| 1999-07-23 | Tatsuya Ishizawa | WL | Korakuen Hall | WIN KO |
| 1998-08-26 | Shigemitsu Kozaki | debut | LOST Points |
|
| 1998-07-13 | Daisuke Fuji | L | WIN KO |
|
| 1998-02-27 | Tomoaki Narita | debut | Korakuen Hall | WIN KO |