| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2021 | J3-League | 16 | 635 | 0 | 0 | 0 | — |
| 2022 | J3-League | 6 | 288 | 0 | 0 | 0 | — |
| 2023 | J3-League | 19 | 942 | 1 | 2 | 0.29 | — |
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: 85 J3-League midfielders, 2023, 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 2026-09-02
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Yokohama F. Marinos | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Cerezo Osaka | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Vissel Kobe | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Matsumoto Yamaga | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Roasso Kumamoto | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Ehime | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
 Giravanz Kitakyushu | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Blaublitz Akita | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Kagoshima United | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
 YSCC | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Fujieda MYFC | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Azul Claro Numazu | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Vanraure Hachinohe | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Nara Club | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Iwaki | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
In the 2023 J3-League, Koki Harada made 19 appearances (942 minutes), with 1 goal and 2 assists — 0.29 goal involvements per 90. Set beside an 85-strong pool of J3-League midfielders (2023, min. 450 minutes), his goal involvements per 90 placed in the 74th percentile — above the cohort median, and 42nd of 85 for goals scored.
3 league seasons (2021–2023) across 2 clubs made up his recorded career.
