| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2013 | J2-League | 12 | 1080 | 0 | 0 | 0 | — |
| 2015 | K League 1 | 31 | 1890 | 2 | 0 | 0.1 | — |
| 2016 | K League 2 | 15 | — | 0 | 0 | — | — |
| 2017 | K League 1 | 1 | 90 | 0 | 0 | 0 | — |
| 2017 | K League 2 | 18 | 1351 | 0 | 0 | 0 | — |
| 2018 | K League 2 | 36 | 3111 | 1 | 0 | 0.03 | — |
| 2019 | K League 1 | 29 | 2193 | 0 | 1 | 0.04 | — |
| 2019 | K League 2 | 18 | 1351 | 0 | 0 | 0 | — |
| 2020 | K League 1 | 13 | 543 | 0 | 0 | 0 | 6.74 |
| 2021 | K League 1 | 21 | 1401 | 0 | 0 | 0 | 6.87 |
| 2022 | K League 2 | 36 | 3004 | 1 | 1 | 0.06 | 7.12 |
| 2023 | K League 1 | 31 | 2724 | 2 | 2 | 0.13 | 7.13 |
| 2024 | K League 1 | 26 | 1899 | 0 | 0 | 0 | 6.04 |
| 2025 | K League 1 | 16 | 850 | 0 | 1 | 0.11 | 6.55 |
| 2026 | K League 1 | 14 | 975 | 0 | 0 | 0 | 6.45 |
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 2026-07-21
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Jeju United | 11 | 5 | 4 | 2 | 0 | 0 | 1 | 0 |
 Ulsan HD | 10 | 3 | 2 | 5 | 0 | 0 | 1 | 0 |
 Gangwon | 8 | 2 | 0 | 6 | 0 | 0 | 1 | 0 |
 Daegu | 7 | 2 | 2 | 3 | 0 | 0 | 1 | 0 |
 Seoul | 6 | 2 | 1 | 3 | 0 | 0 | 0 | 0 |
 Suwon | 6 | 4 | 1 | 1 | 0 | 0 | 0 | 0 |
 Jeonbuk Motors | 6 | 1 | 3 | 2 | 0 | 0 | 0 | 0 |
 Daejeon Citizen | 6 | 2 | 3 | 1 | 0 | 0 | 0 | 0 |
 Anyang | 6 | 5 | 1 | 0 | 0 | 0 | 0 | 0 |
 Pohang Steelers | 5 | 3 | 0 | 2 | 0 | 0 | 1 | 0 |
 Bucheon 1995 | 5 | 2 | 0 | 3 | 0 | 0 | 0 | 0 |
 Vissel Kobe | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 |
 Gimcheon Sangmu | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
 Incheon United | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Busan I'Park | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Kyoto Sanga | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Seongnam | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Gifu | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Ansan Greeners | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Jeonnam Dragons | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
Neither a goal nor an assist came from Young-kyu Ahn's 14 K League 1 appearances in 2026 (975 minutes). GioScore's computed rating for the season averages 6.45.
2023 stands as his highest-rated season (7.13, K League 1), with 2024 the weakest (6.04). Compared with his earlier career average, the last two rated seasons are down by 0.28.
