Career
He is from Fukuoka, Japan. He currently plays for Vissel Kobe, a J. League Division 1 team He has previously played with Okawa Middle School, Fukuoka, Japan.
Higashi Fukuoka High School, Fukuoka, Japan.
Yokohama F. Marinos, Japan. Avispa Fukuoka, Japan.
His first appearance in the J. League Division 1 was with Yokohama F. Marinos against Sanfrecce Hiroshima on 28 March 1998 at Mitsuzawa Stadium in Yokohama. His first goal in the J. League Division 1 was with Avispa Fukuoka against Oita Trinita on 3 March 2002 at Hakata no Mori Stadium in Fukuoka.
He is the younger brother of Avispa Fukuoka defender Masahiro Koga.
