Kojiro Sasaki boxer
- bouts
- 7
- won
- 5
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- super bantamweight
- Debut
- 2009-10-16
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1987-04-02
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2016-07-21 | Masayoshi Yamasaki | WDWLWW | Korakuen Hall | WIN Technical knockout |
| 2013-07-18 | Yuichiro Sano | LWLWWD | Korakuen Hall | WIN Technical knockout |
| 2012-07-23 | Naoto Fujimoto | LW | Korakuen Hall | WIN Unanimous decision |
| 2011-10-14 | Toshiki Maruyama | debut | Korakuen Hall | WIN Technical knockout |
| 2010-07-14 | Yoshihisa Yokota | LLLL | Korakuen Hall | LOST Technical knockout |
| 2010-02-01 | Naoto Kawashita | WL | Korakuen Hall | LOST Unanimous decision |
| 2009-10-16 | Ryuichi Suyama | debut | Korakuen Hall | WIN Unanimous decision |