| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2015 | K League 1 | 11 | 360 | 0 | 0 | 0 | — |
| 2016 | K League 2 | 7 | — | 0 | 0 | — | — |
| 2018 | K League 2 | 15 | 1263 | 0 | 0 | 0 | — |
| 2019 | K League 2 | 6 | 522 | 0 | 0 | 0 | — |
| 2021 | K League 2 | 1 | 90 | 0 | 0 | 0 | 7.14 |
| 2022 | K League 2 | 13 | 490 | 0 | 0 | 0 | 6.59 |
| 2023 | K League 2 | 27 | 1421 | 0 | 1 | 0.06 | 6.82 |
| 2024 | K League 2 | 29 | 1991 | 2 | 1 | 0.14 | 6.78 |
| 2025 | K League 2 | 19 | 1062 | 1 | 0 | 0.08 | 6.4 |
| 2026 | K League 2 | 5 | 219 | 0 | 0 | 0 | 6.55 |
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 2026-08-24
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Gimpo | 6 | 1 | 3 | 2 | 0 | 0 | 1 | 0 |
 Suwon Bluewings | 5 | 0 | 3 | 2 | 0 | 0 | 0 | 0 |
 Busan I'Park | 5 | 3 | 1 | 1 | 0 | 0 | 0 | 0 |
 Ansan Greeners | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 Bucheon 1995 | 5 | 2 | 2 | 1 | 0 | 0 | 1 | 0 |
 Seoul E. | 5 | 0 | 2 | 3 | 1 | 0 | 0 | 0 |
 Chungnam Asan | 4 | 0 | 0 | 4 | 0 | 0 | 1 | 0 |
 Cheonan City | 4 | 3 | 0 | 1 | 0 | 1 | 0 | 0 |
 Seongnam | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
 Anyang | 3 | 0 | 1 | 2 | 1 | 0 | 1 | 0 |
 Incheon United | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 1 |
 Jeonnam Dragons | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Gyeongnam | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Cheongju | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Seoul | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Gimcheon Sangmu | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Ulsan HD | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Daegu | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Jeju United | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Hwaseong | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Hyun-jun Ku's 5 outings in the 2026 K League 2 (219 minutes) produced no goals and no assists. His average match rating for that season computes to 6.55.
10 league seasons sit on his record, from 2015 to 2026 across 3 clubs. His ratings range from 6.4 (2025) up to 6.82 in 2023, K League 2. Compared with his earlier career average, the last two rated seasons are down by 0.26.
