| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2009/2010 | Premiership | 10 | 543 | 0 | 0 | 0 | — |
| 2010/2011 | Premiership | 26 | 1464 | 0 | 0 | 0 | — |
| 2011/2012 | Premiership | 30 | 1961 | 6 | 0 | 0.28 | — |
| 2012/2013 | Premier League | 16 | 905 | 0 | 1 | 0.1 | 7.34 |
| 2013/2014 | Premier League | 27 | 2185 | 3 | 1 | 0.16 | — |
| 2014/2015 | Premier League | 33 | 2690 | 8 | 1 | 0.3 | 7.02 |
| 2015/2016 | Premier League | 28 | 1851 | 2 | 1 | 0.15 | 7.07 |
| 2016/2017 | Premier League | 23 | 1287 | 0 | 1 | 0.07 | 6.85 |
| 2017/2018 | Premier League | 25 | 1869 | 2 | 2 | 0.19 | 7.09 |
| 2018/2019 | Premier League | 18 | 1302 | 0 | 1 | 0.07 | 7 |
| 2019/2020 | Premier League | 3 | 136 | 0 | 0 | 0 | 6.83 |
| 2020 | K League 1 | 5 | 120 | 0 | 0 | 0 | 6.67 |
| 2021 | K League 1 | 35 | 2706 | 3 | 2 | 0.17 | 7.28 |
| 2022 | K League 1 | 35 | 2871 | 0 | 2 | 0.06 | 7.27 |
| 2023 | K League 1 | 35 | 2688 | 2 | 4 | 0.2 | 7.34 |
| 2024 | K League 1 | 20 | 1627 | 2 | 3 | 0.28 | 7.67 |
| 2025 | K League 1 | 15 | 1074 | 0 | 2 | 0.17 | 6.4 |
| 2026 | K League 1 | 13 | 582 | 0 | 1 | 0.15 | 6.81 |
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 | ||
|---|---|---|---|---|---|---|---|---|
 Everton | 14 | 5 | 7 | 2 | 1 | 0 | 1 | 0 |
 Arsenal | 13 | 5 | 0 | 8 | 0 | 0 | 3 | 0 |
 Southampton | 13 | 4 | 4 | 5 | 0 | 0 | 3 | 0 |
 Liverpool | 12 | 3 | 1 | 8 | 1 | 0 | 0 | 0 |
 Chelsea | 12 | 3 | 4 | 5 | 1 | 0 | 2 | 0 |
 Tottenham Hotspur | 11 | 0 | 1 | 10 | 1 | 1 | 1 | 0 |
 Manchester United | 11 | 4 | 1 | 6 | 2 | 0 | 2 | 0 |
 Stoke City | 11 | 4 | 1 | 6 | 1 | 0 | 0 | 0 |
 West Ham United | 10 | 2 | 2 | 6 | 2 | 1 | 0 | 0 |
 West Bromwich Albion | 10 | 5 | 2 | 3 | 1 | 0 | 2 | 0 |
 Manchester City | 9 | 1 | 0 | 8 | 0 | 0 | 0 | 0 |
 Leicester City | 9 | 2 | 1 | 6 | 0 | 0 | 2 | 0 |
 Aston Villa | 8 | 4 | 2 | 2 | 0 | 0 | 1 | 0 |
 Hull City | 8 | 2 | 0 | 6 | 2 | 0 | 0 | 0 |
 Kilmarnock | 8 | 5 | 2 | 1 | 0 | 0 | 1 | 0 |
 Dundee United | 8 | 7 | 1 | 0 | 1 | 0 | 1 | 0 |
 AFC Bournemouth | 7 | 1 | 2 | 4 | 0 | 0 | 3 | 0 |
 Rangers | 7 | 2 | 1 | 4 | 0 | 0 | 1 | 0 |
 Hearts | 7 | 5 | 0 | 2 | 0 | 0 | 3 | 0 |
 St. Mirren | 7 | 6 | 0 | 1 | 1 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Uruguay | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Russia | 3 | 0 | 1 | 2 | 0 | 0 | 1 | 0 |
 Saudi Arabia | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Greece | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Costa Rica | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Morocco | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Tunisia | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Jordan | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Sweden | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Korea Republic | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Mexico | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Thailand | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 China PR | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Iraq | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 New Zealand | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Algeria | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bosnia and Herzegovina | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Argentina | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Iran | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Germany | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Sung-yueng Ki closed the 2026 K League 1 with 1 assist, without scoring, over 13 appearances (582 minutes) — 0.15 goal involvements per 90. GioScore's computed rating for the season averages 6.81.
The record shows 18 league seasons for him (2009–2026) across 8 clubs. His ratings range from 6.4 (2025) up to 7.67 in 2024, K League 1. Averaged over his last two rated seasons, he sits 0.54 below his earlier career level.
