Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 05/2019 - 12/2019 |  | Incheon United |  South Korea | Manager |
| 12/2017 - 08/2018 |  | Jeonnam Dragons | South Korea | Manager |
| 01/2014 - 12/2017 |  | Ulsan University | South Korea | Manager |
| 07/2011 - 12/2012 |  | Daejeon Hana Citizen | South Korea | Manager |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 01/2005 - 12/2006 |  | Ulsan HD FC | South Korea | Midfield | |
| 01/2004 - 12/2004 |  | Yokohama F. Marinos |  Japan | Midfield | 8 |
| 07/2003 - 12/2003 | | Yokohama F. Marinos | Japan | Midfield | 2 |
| 08/2002 - 06/2003 | | Ulsan HD FC | South Korea | Midfield | |
| 01/2002 - 07/2002 |  | Kashiwa Reysol | Japan | Midfield | 6 |
| 01/2001 - 12/2001 | | Kashiwa Reysol | Japan | Midfield | 8 |
| 01/1999 - 12/2000 | | Yokohama F. Marinos | Japan | Midfield | 8 |
| 01/1994 - 12/1998 | | Ulsan HD FC | South Korea | Midfield |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| J1 League | 115 | 105 | 10 | 20 | 9.524 | 44 | - | - | 23 | - | 2 | » All matches |
| Total | 115 | 105 | 10 | 20 | 9.524 | 44 | - | - | 23 | - | 2 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 10 | 10 | - | 3 | 851 | 2 | - | - | 1 | - | - | » All matches |
| WC Qualifiers Asia | 6 | 6 | - | 2 | 518 | - | - | - | - | - | - | » All matches |
| Friendlies | 19 | 18 | 1 | 6 | 1.515 | 1 | - | - | - | - | - | » All matches |
| Olympic Games | 4 | 4 | - | - | 360 | - | - | - | - | - | - | » All matches |
| Confederations Cup | 2 | 2 | - | - | 180 | 1 | - | - | - | - | - | » All matches |
 | Gold Cup | 4 | 4 | - | - | 360 | - | - | - | - | - | - | » All matches |
 | Asian Cup | 8 | 6 | 2 | 1 | 590 | - | - | - | 1 | - | - | » All matches |
| Total | 53 | 50 | 3 | 12 | 4.374 | 4 | - | - | 2 | - | - |
Personal achievements
| Top Scorer | ||
|---|---|---|
 | K League 1 | 1998 |