Ki Sung-Yueng · career
Sung-Yueng Ki
Central · Pohang Steelers · season-by-season, by competition, and every match.
Career report
Past his 2021/22 peak — the recent trend is downward, so buyers are paying for what's left, not what was.
Peak: 2021/22Trending downInjury-hit 2025/26
The record covers 6 seasons (2021/22–2025/26) across 2 clubs — 146 appearances, 7 goals and 9 assists.
His best campaign on record is 2021/22 at FC Seoul — Season rating 34, 3 goals and 2 assists in 35 games. Form has slipped 10 Season points across his last 3 full seasons. The gap to his peak is 20 Season points.
2025/26 was disrupted — 6 fixtures missed through injury or absence.
By season
| Season | Club | Apps | G | A | Rating | Season |
|---|---|---|---|---|---|---|
| 2026/27 | Pohang Steelers | 15 | 0 | 0 | — | — |
| 2025/26 | Pohang Steelers | 16 | 0 | 2 | 8 | 13 |
| 2025/26 | FC Seoul | 8 | 0 | 0 | — | — |
| 2024/25 | FC Seoul | 20 | 2 | 1 | 13 | 15 |
| 2023/24 | FC Seoul | 35 | 2 | 2 | 18 | 23 |
| 2023/24 | Pohang Steelers | 19 | 1 | 2 | — | — |
| 2022/23 | FC Seoul | 35 | 0 | 2 | 20 | 25 |
| 2021/22 | FC Seoul | 35 | 3 | 2 | 23 | 34 |
| 2020/21 | FC Seoul | 5 | 0 | 0 | 16 | 1 |
| 2019/20 | Mallorca | 1 | 0 | 0 | — | — |
| 2019/20 | Newcastle | 3 | 0 | 0 | — | — |
| 2018/19 | Newcastle | 18 | 0 | 1 | — | — |
| 2017/18 | Swansea City U23 | 1 | 0 | 0 | — | — |
| 2017/18 | Swansea | 25 | 2 | 2 | — | — |
| 2016/17 | Swansea | 23 | 0 | 1 | — | — |
| 2015/16 | Swansea | 28 | 2 | 1 | — | — |
| 2014/15 | Swansea | 33 | 8 | 0 | — | — |
| 2013/14 | Swansea | 2 | 0 | 0 | — | — |
| 2013/14 | SunderlandLoan | 27 | 3 | 0 | — | — |
| 2012/13 | Swansea | 29 | 0 | 0 | — | — |
| 2011/12 | Celtic | 30 | 6 | 0 | — | — |
| 2010/11 | Celtic | 26 | 3 | 0 | — | — |
| 2009/10 | Celtic | 10 | 0 | 0 | — | — |
| 2009/10 | FC Seoul | 8 | 2 | 0 | — | — |
| 2007/08 | FC Seoul | 16 | 0 | 0 | — | — |
International
| Side | Season | Competition | Apps | G |
|---|---|---|---|---|
| Korea Republic U23 | 2012/13 | Olympics Men | 6 | 0 |
| 2008/09 | Olympics Men | 3 | 0 | |
| Korea Republic U20 | 2007/08 | FIFA U20 World Cup | 3 | 0 |
| South Korea | 2019/20 | Asian Cup | 1 | 0 |
| 2018/19 | World Cup - Qualification Asia | 14 | 4 | |
| 2018/19 | World Cup | 2 | 0 | |
| 2018/19 | Friendlies | 10 | 0 | |
| 2017/18 | Friendlies | 5 | 0 | |
| 2016/17 | Friendlies | 3 | 0 | |
| 2015/16 | Asian Cup | 6 | 0 | |
| 2015/16 | Friendlies | 3 | 1 | |
| 2014/15 | World Cup | 3 | 0 | |
| 2014/15 | AFC World Cup Qualifiers | 6 | 0 | |
| 2014/15 | Friendlies | 8 | 0 | |
| 2013/14 | Friendlies | 5 | 0 | |
| 2011/12 | Asian Cup | 6 | 1 | |
| 2011/12 | Friendlies | 6 | 0 | |
| 2010/11 | World Cup | 4 | 0 | |
| 2010/11 | AFC World Cup Qualifiers | 8 | 2 | |
| 2010/11 | Friendlies | 9 | 0 | |
| 2009/10 | Friendlies | 6 | 1 | |
| 2008/09 | Friendlies | 3 | 1 |
Honours
League Cup×2Premier League Cup×2Premiership×2Scottish Cup×2League Cup×5Premiership×3AFC Asian Cup×2K League 1×2Korea Cup×2
By competition
| Competition | Apps | Min | G | A | Rating |
|---|---|---|---|---|---|
| K League 1 | 15 | 387 | 0 | 0 | 7.2 |
Schedule · 2025/26
16 played2 injured29 not in squad· 1133 min, 0g 2a
| Date | Competition | Opponent | Res | Status | Min | G | A | Rating |
|---|---|---|---|---|---|---|---|---|
| Feb 15 | K League 1 | H Daejeon Citizen | 0-3 | Not in squad | — | |||
| Feb 23 | K League 1 | A Gangwon FC | 1-2 | Not in squad | — | |||
| Mar 1 | K League 1 | H Daegu FC | 0-0 | Not in squad | — | |||
| Mar 16 | K League 1 | A Jeonbuk Motors | 2-2 | Not in squad | — | |||
| Mar 22 | K League 1 | A Gwangju FC | 3-2 | Not in squad | — | |||
| Mar 29 | K League 1 | H Ulsan Hyundai FC | 1-0 | Not in squad | — | |||
| Apr 5 | K League 1 | A Suwon City FC | 1-1 | Not in squad | — | |||
| Apr 12 | K League 1 | H FC Anyang | 2-1 | Not in squad | — | |||
| Apr 20 | K League 1 | A Jeju United FC | 0-2 | Not in squad | — | |||
| Apr 27 | K League 1 | H FC Seoul | 1-0 | Not in squad | — | |||
| May 2 | K League 1 | H Gimcheon Sangmu FC | 1-2 | Not in squad | — | |||
| May 5 | K League 1 | A Ulsan Hyundai FC | 1-1 | Not in squad | — | |||
| May 10 | K League 1 | H Suwon City FC | 2-0 | Not in squad | — | |||
| May 14 | FA Cup | A Gimpo Citizen | 1-2 | Not in squad | — | |||
| May 18 | K League 1 | H Gwangju FC | 0-1 | Not in squad | — | |||
| May 23 | K League 1 | A FC Anyang | 2-0 | Not in squad | — | |||
| May 27 | K League 1 | A Daejeon Citizen | 3-1 | Not in squad | — | |||
| Jun 1 | K League 1 | H Gangwon FC | 2-1 | Not in squad | — | |||
| Jun 14 | K League 1 | A Gimcheon Sangmu FC | 0-1 | Not in squad | — | |||
| Jun 17 | K League 1 | A Daegu FC | 1-1 | Not in squad | — | |||
| Jun 21 | K League 1 | H Jeju United FC | 2-1 | Not in squad | — | |||
| Jun 29 | K League 1 | A FC Seoul | 1-4 | Not in squad | — | |||
| Jul 19 | K League 1 | H Jeonbuk Motors | 2-3 | Played | 78 | 7.2 | ||
| Jul 22 | K League 1 | H Suwon City FC | 1-5 | Played | 80 | 7.2 | ||
| Jul 27 | K League 1 | A Daegu FC | 1-0 | Played | 89 | 7.3 | ||
| Aug 10 | K League 1 | H Gwangju FC | 1-0 | Played | 45 | 7.0 | ||
| Aug 15 | K League 1 | A FC Anyang | 1-0 | Unknown Injury | — | |||
| Aug 24 | K League 1 | H Jeonbuk Motors | 3-1 | Unknown Injury | — | |||
| Aug 31 | K League 1 | A Gangwon FC | 0-1 | Played | 68 | 6.6 | ||
| Sep 13 | K League 1 | H Ulsan Hyundai FC | 1-1 | Played | 72 | 1 | 7.3 | |
| Sep 18 | AFC Champions League Two | A BG Pathum United | 1-0 | Not in squad | — | |||
| Sep 21 | K League 1 | H Jeju United FC | 1-0 | Played | 79 | 7.0 | ||
| Sep 27 | K League 1 | A Gimcheon Sangmu FC | 0-2 | Played | 45 | 6.3 | ||
| Oct 2 | AFC Champions League Two | H Kaya | 2-0 | Not in squad | — | |||
| Oct 5 | K League 1 | H Daejeon Citizen | 1-3 | Played | 73 | 7.5 | ||
| Oct 18 | K League 1 | A FC Seoul | 2-1 | Played | 87 | 1 | 7.0 | |
| Oct 23 | AFC Champions League Two | A Tampines Rovers | 0-1 | Not in squad | — | |||
| Oct 26 | K League 1 | A Daejeon Citizen | 0-2 | Played | 73 | 6.9 | ||
| Nov 1 | K League 1 | A Gimcheon Sangmu FC | 1-0 | Played | 77 | 7.3 | ||
| Nov 6 | AFC Champions League Two | H Tampines Rovers | 1-1 | Not in squad | — | |||
| Nov 9 | K League 1 | H FC Seoul | 0-0 | Not in squad | — | |||
| Nov 22 | K League 1 | H Jeonbuk Motors | 0-0 | Played | 90 | 7.7 | ||
| Nov 27 | AFC Champions League Two | H BG Pathum United | 2-0 | Played | 90 | 7.3 | ||
| Nov 30 | K League 1 | A Gangwon FC | 0-1 | Not in squad | — | |||
| Dec 11 | AFC Champions League Two | A Kaya | 1-0 | Played | 12 | 6.6 | ||
| Feb 12 | AFC Champions League Two | H Gamba Osaka | 1-1 | Played | 75 | 6.6 | ||
| Feb 19 | AFC Champions League Two | A Gamba Osaka | 1-2 | Not in squad | — |