| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2021 | K League 1 | 14 | 806 | 1 | 2 | 0.33 | 6.78 |
| 2022 | K League 1 | 34 | 1748 | 1 | 4 | 0.26 | 6.76 |
| 2023 | K League 1 | 7 | 213 | 2 | 0 | 0.85 | 7.32 |
| 2024 | K League 1 | 22 | 892 | 2 | 1 | 0.3 | 6.27 |
| 2025 | K League 1 | 5 | 121 | 0 | 0 | 0 | 6.56 |
| 2025 | K League 2 | 13 | 383 | 1 | 0 | 0.23 | 6.49 |
| 2026 | K League 2 | 9 | 388 | 1 | 2 | 0.7 | 6.95 |
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 2026-08-15
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Gimcheon Sangmu | 5 | 3 | 2 | 0 | 0 | 0 | 0 | 0 |
 Daejeon Citizen | 5 | 1 | 3 | 1 | 2 | 0 | 1 | 0 |
 Incheon United | 5 | 2 | 2 | 1 | 0 | 0 | 0 | 0 |
 Gangwon | 5 | 3 | 1 | 1 | 0 | 0 | 0 | 0 |
 Jeju United | 5 | 2 | 0 | 3 | 0 | 0 | 0 | 0 |
 Suwon | 4 | 2 | 2 | 0 | 1 | 0 | 0 | 0 |
 Jeonbuk Motors | 4 | 1 | 2 | 1 | 1 | 0 | 1 | 0 |
 Daegu | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Pohang Steelers | 3 | 1 | 0 | 2 | 1 | 1 | 0 | 0 |
 Seongnam | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Seoul E. | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Suwon Bluewings | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Ulsan HD | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Ansan Greeners | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
 Daejeon Korail | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Gwangju | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Busan Transportation | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Bucheon 1995 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Gyeongnam | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Anyang | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Japan U23 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Hong Kong | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
 Japan | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 UAE U23 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Italy U20 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Uzbekistan U23 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Indonesia U23 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Vietnam U23 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Iran U23 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 France U20 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Nigeria U20 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Gambia U20 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Honduras U20 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Ecuador U20 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
In the 2026 K League 2, Seong-jin Kang made 9 appearances (388 minutes), with 1 goal and 2 assists — 0.7 goal involvements per 90. Per-match rating over the season: 6.95.
At his best he averaged 7.32 in 2023, K League 1; at his worst, 6.27 in 2024.
