| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2010 | J1 League | 32 | — | 5 | 0 | — | — |
| 2011 | J1 League | 26 | — | 6 | 0 | — | — |
| 2012 | J1 League | 9 | — | 2 | 0 | — | — |
| 2013 | J2-League | 33 | — | 8 | 0 | — | — |
| 2014 | J2-League | 36 | — | 3 | 0 | — | — |
| 2015 | J2-League | 23 | — | 1 | 0 | — | — |
| 2016 | J2-League | 34 | — | 7 | 0 | — | — |
| 2017 | J2-League | 30 | 2591 | 2 | 0 | 0.07 | — |
| 2018 | J2-League | 29 | 1226 | 1 | 0 | 0.07 | — |
| 2019 | J2-League | 10 | 583 | 1 | 0 | 0.15 | — |
| 2021 | J2-League | 10 | 545 | 0 | 0 | 0 | — |
| 2022 | J2-League | 16 | 523 | 1 | 0 | 0.17 | — |
| 2023 | J2-League | 2 | 95 | 1 | 1 | 1.89 | — |
| 2024 | J2-League | 2 | 4 | — | — | — | — |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Cohort: 129 J2-League midfielders, 2022, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-09-01
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 |
All of Koji Yamase's 2022 J2-League output came as goals: 1 goal in 16 games (523 minutes) — 0.17 goal involvements per 90. Within a 129-strong pool of J2-League midfielders (2022, min. 450 minutes), he places in the 50th percentile by goal involvements per 90, above the median; on goals he ranks 55th of 129.
The database holds 14 league seasons for him, from 2010 to 2024 across 7 clubs.
