Tsuyoshi Koga boxer
- bouts
- 7
- won
- 3
- lost
- 4
- draw
- 0
- Status
- inactive
- Division
- super flyweight
- Debut
- 2000-03-03
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2003-02-28 | Yasutomo Kohakura | WWLLLW | Korakuen Hall | WIN Unanimous decision |
| 2002-08-02 | Yuichiro Komuro | WW | Korakuen Hall | LOST Unanimous decision |
| 2002-05-22 | Takayuki Akatsu | LW | Korakuen Hall | WIN Unanimous decision |
| 2002-04-15 | Shin Kiryu | LWLD | Korakuen Hall | WIN KO |
| 2001-10-02 | Yasuaki Sato | LWLLW | Korakuen Hall | LOST KO |
| 2001-02-02 | Shin Ono | debut | Yokohama | LOST Points |
| 2000-03-03 | Ryota Kawai | DLWL | LOST Points |