Tetsuya Koyama boxer
- bouts
- 17
- won
- 7
- lost
- 10
- draw
- 0
- Status
- inactive
- Division
- featherweight
- Debut
- 2004-02-26
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1981-03-04
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2018-03-02 | Ryohei Takahashi | WWWLWW | Korakuen Hall | LOST Technical knockout |
| 2017-04-17 | Tricky Kumagai | WWLLLL | Korakuen Hall | LOST Technical knockout |
| 2016-12-05 | Daigo Miyagawa | LLLLWW | Korakuen Hall | WIN Unanimous decision |
| 2016-04-18 | Yuto Hashiguchi | LLWLWW | Korakuen Hall | LOST Unanimous decision |
| 2016-01-25 | Soichiro Murata | WWLWLL | Korakuen Hall | WIN Unanimous decision |
| 2015-05-12 | Toshizane Kinoda | WWWLW | Korakuen Hall | LOST Unanimous decision |
| 2014-04-05 | Naoto Fujimoto | WDWWWL | Yano Fitness Center, Zama | LOST Technical knockout |
| 2013-12-03 | Takahiro Shibata | WWWWLL | Korakuen Hall | LOST Unanimous decision |
| 2013-07-03 | Yoshihisa Yokota | LWDLLL | Korakuen Hall | LOST Unanimous decision |
| 2013-03-19 | Yusuke Tachikawa | WWWWWL | Korakuen Hall | LOST Unanimous decision |
| 2012-08-21 | Ryuto Araya | WWWWD | Korakuen Hall | LOST Unanimous decision |
| 2012-07-07 | Yuji Hasegawa | WLWWWL | Korakuen Hall | LOST |
| 2010-11-21 | Masato Iwasaki | WLLWWL | Omori Gold Gym | WIN Technical knockout |
| 2008-07-06 | Shigetaka Suzuki | L | Omori Gold Gym | WIN Technical knockout |
| 2007-11-18 | Kazuyuki Takahashi | WWWLLL | Omori Gold Gym | WIN Unanimous decision |
| 2004-09-06 | Satoshi Fukuzumi | W | Korakuen Hall | WIN Unanimous decision |
| 2004-02-26 | Hidenori Oya | debut | Korakuen Hall | WIN Unanimous decision |
