| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2023 | J3-League | 26 | 1041 | 4 | 3 | 0.61 | — |
| 2024 | J3-League | 36 | 2561 | 6 | 3 | 0.32 | — |
| 2025 | J3-League | 25 | 1153 | 6 | 2 | 0.62 | 6.57 |
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.
Figures computed from the GioScore season-stats database · as of 2026-07-27
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Parceiro Nagano | 5 | 1 | 3 | 1 | 1 | 0 | 0 | 0 |
 Gifu | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
 Gainare Tottori | 4 | 3 | 0 | 1 | 1 | 1 | 0 | 0 |
 Fukushima United | 4 | 1 | 0 | 3 | 1 | 1 | 1 | 0 |
 Ryūkyū | 4 | 3 | 0 | 1 | 1 | 1 | 2 | 0 |
 Azul Claro Numazu | 4 | 2 | 1 | 1 | 1 | 0 | 0 | 0 |
 Nara Club | 4 | 2 | 1 | 1 | 1 | 0 | 0 | 0 |
 Kamatamare Sanuki | 3 | 2 | 1 | 0 | 2 | 0 | 0 | 0 |
 Kataller Toyama | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Zweigen Kanazawa | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Sagamihara | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
 Osaka | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Vanraure Hachinohe | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Tegevajaro Miyazaki | 3 | 1 | 2 | 0 | 0 | 1 | 0 | 0 |
 Omiya Ardija | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Matsumoto Yamaga | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Tochigi | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 |
 Machida Zelvia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 ThespaKusatsu Gunma | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Imabari | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Seung-jin Koh closed the 2025 J3-League campaign on 6 goals and 2 assists from 25 outings (1,153 minutes) — 0.62 goal involvements per 90. His average match rating for that season computes to 6.57.
His recorded league career runs from 2023 to 2025: 3 seasons, all with a single club.
