Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Roasso Kumamoto | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 |
 Yokohama | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Tokyo Verdy | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Albirex Niigata | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Tokushima Vortis | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Ehime | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Gifu | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 ThespaKusatsu Gunma | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Matsumoto Yamaga | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Renofa Yamaguchi | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Montedio Yamagata | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Giravanz Kitakyushu | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Mito Hollyhock | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Ryūkyū | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 OFI | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Kashiwa Reysol | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Omiya Ardija | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Sagan Tosu | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Ventforet Kofu | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Shonan Bellmare | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Koji Yamase plays as a midfielder for Renofa Yamaguchi. Throughout his career, Koji Yamase has scored 45 goals and provided 2 assists in 354 appearances across 6 clubs. Among the clubs he has represented — Renofa Yamaguchi, Ehime, Avispa Fukuoka, Kyoto Sanga — Koji Yamase was most prolific at Kyoto Sanga, where he scored 19 goals in 126 appearances. Koji Yamase stands 173 cm tall, weighs 70 kg.
