| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2011 | K League 1 | 21 | 1170 | 4 | 0 | 0.31 | — |
| 2012 | K League 1 | 38 | — | 6 | 0 | — | — |
| 2013 | K League 1 | 21 | — | 0 | 0 | — | — |
| 2014 | K League 1 | 17 | — | 0 | 0 | — | — |
| 2015 | K League 1 | 15 | — | 1 | 0 | — | — |
| 2016 | K League 1 | 23 | — | 3 | 0 | — | — |
| 2017 | K League 1 | 35 | 2881 | 5 | 12 | 0.53 | — |
| 2018 | J1 League | 16 | 1018 | 0 | 2 | 0.18 | 6.83 |
| 2019 | K League 1 | 34 | 2857 | 11 | 3 | 0.44 | — |
| 2019/2020 | Ligue 1 | 5 | 119 | 0 | 0 | 0 | 6.59 |
| 2020/2021 | Ligue 1 | 12 | 308 | 0 | 0 | 0 | 6.66 |
| 2021 | K League 1 | 12 | 473 | 0 | 2 | 0.38 | 6.81 |
| 2022 | K League 1 | 14 | 662 | 1 | 1 | 0.27 | 6.9 |
| 2023 | K League 1 | 6 | 243 | 0 | 0 | 0 | — |
| 2024 | K League 1 | 26 | 1983 | 0 | 1 | 0.05 | 7.19 |
| 2025 | K League 1 | 5 | 224 | 0 | 0 | 0 | 6.43 |
| 2026 | K League 2 | 10 | 508 | 0 | 1 | 0.18 | 6.4 |
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 2026-07-22
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Jeonbuk Motors | 7 | 3 | 1 | 3 | 0 | 0 | 0 | 0 |
 Daegu | 6 | 5 | 0 | 1 | 0 | 0 | 0 | 0 |
 Pohang Steelers | 5 | 3 | 0 | 2 | 0 | 0 | 0 | 0 |
 Jeju United | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 Seoul | 4 | 1 | 1 | 2 | 0 | 1 | 0 | 0 |
 Gimcheon Sangmu | 4 | 2 | 2 | 0 | 0 | 0 | 1 | 0 |
 Gwangju | 4 | 2 | 1 | 1 | 0 | 0 | 1 | 0 |
 Gangwon | 4 | 3 | 0 | 1 | 0 | 0 | 1 | 0 |
 Jeonnam Dragons | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 |
 Saint-Étienne | 3 | 2 | 0 | 1 | 0 | 0 | 1 | 0 |
 Paris Saint Germain | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 Strasbourg | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
 Suwon | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Metz | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Seongnam | 3 | 1 | 0 | 2 | 0 | 1 | 0 | 0 |
 Kawasaki Frontale | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 |
 Daejeon Citizen | 3 | 2 | 1 | 0 | 0 | 0 | 1 | 0 |
 Ulsan HD | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Monaco | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Incheon United | 3 | 1 | 2 | 0 | 0 | 0 | 1 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Croatia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 China PR | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Russia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Brazil | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Switzerland | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Il-lok Yun finished the 2026 K League 2 season with 1 assist and no goals from 10 appearances (508 minutes) — 0.18 goal involvements per 90. That season graded out at an average match rating of 6.4.
Season ratings peak at 7.19 in 2024, K League 1 and bottom out at 6.4 in 2026. Compared with his earlier career average, the last two rated seasons are down by 0.41.
