Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Ryūkyū | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Azul Claro Numazu | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Tegevajaro Miyazaki | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Parceiro Nagano | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Gainare Tottori | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Sagamihara | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Kagoshima United | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Osaka | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Vanraure Hachinohe | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Nara Club | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Sagan Tosu | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Kamatamare Sanuki | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 ThespaKusatsu Gunma | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Renofa Yamaguchi | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Ehime | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Giravanz Kitakyushu | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Kataller Toyama | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Tochigi | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Fukushima United | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 YSCC | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
Ryuji Kokubu is a 25-year-old Japan midfielder who currently plays for Matsumoto Yamaga in the J-League Cup. Ryuji Kokubu has made 39 professional appearances. Ryuji Kokubu has made 1 appearances in the J-League Cup 2025. On the international stage, Ryuji Kokubu represents Japan.
