Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 02/2022 - 01/2025 |  | Jeju SK FC |  South Korea | Midfield | 7 |
| 08/2021 - 02/2022 |  | Al Khor SC |  Qatar | Midfield | 16 |
| 08/2019 - 06/2021 |  | Al Gharafa | Qatar | Midfield | 10 |
| 08/2015 - 06/2019 |  | FC Augsburg |  Germany | Midfield | 19 |
| 01/2014 - 08/2015 |  | 1. FSV Mainz 05 | Germany | Midfield | 13 |
| 07/2013 - 01/2014 |  | VfL Wolfsburg | Germany | Midfield | 18 |
| 07/2012 - 06/2013 | | FC Augsburg | Germany | Midfield | 7 |
| 01/2012 - 06/2012 | | FC Augsburg | Germany | Midfield | 14 |
| 01/2011 - 01/2012 | | VfL Wolfsburg | Germany | Midfield | 5 |
| 01/2007 - 01/2011 | | Jeju SK FC | South Korea | Midfield | 7 |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Europa League | 8 | 4 | 4 | 2 | 407 | - | - | - | - | - | - | » All matches |
| Europa League Qual. | 2 | 2 | - | 2 | 146 | 1 | - | 1 | - | - | - | » All matches |
| Bundesliga | 211 | 160 | 51 | 76 | 14.176 | 28 | 3 | 14 | 28 | 1 | - | » All matches |
| DFB-Pokal | 10 | 8 | 2 | 5 | 750 | 2 | - | 1 | 4 | - | - | » All matches |
| Qatar Stars League | 46 | 46 | - | 12 | 3.917 | 6 | - | - | 10 | 1 | - | » All matches |
| K League 1 | 56 | 43 | 13 | 14 | 3.880 | 7 | - | 1 | 10 | - | - | » All matches |
| Total | 333 | 263 | 70 | 111 | 23.276 | 44 | 3 | - | 52 | 2 | - |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 5 | 5 | - | 2 | 398 | 1 | - | - | 1 | - | - | » All matches |
| WC Qualifiers Asia | 21 | 18 | 3 | 11 | 1.548 | 6 | 1 | - | 4 | - | - | » All matches |
| Friendlies | 39 | 21 | 18 | 15 | 2.083 | 7 | 3 | - | 1 | - | - | » All matches |
| Olympic Games | 6 | 6 | - | 2 | 538 | 1 | - | - | 1 | - | - | » All matches |
 | Asian Cup | 12 | 10 | 2 | 7 | 774 | 5 | - | 3 | - | - | - | » All matches |
| Total | 83 | 60 | 23 | 37 | 5.341 | 20 | 4 | - | 7 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U20 World Cup | 5 | 5 | - | - | 450 | 1 | 1 | - | 1 | - | - | » All matches |
| Total | 5 | 5 | - | - | 450 | 1 | 1 | - | 1 | - | - |
Personal achievements
| Top Scorer | ||
|---|---|---|
 | Asian Cup | 2011 |