Kazuteru Kozai
Kazuteru Kozai is a Japanese badminton player from Tonami club. In 2013, Kozai started to training on Ryukoku University. He has competed in badminton tournaments including the 2008 Thailand Open, the 2009 Malaysia Open Grand Prix Gold and the 2013 Japan Open
Achievements
BWF International Challenge/Series
Men's singles| Year | Tournament | Opponent | Score | Result | Ref |
| 2009 | Austrian International |  gold1 |