Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 08/2010 - 12/2012 |  | Incheon United |  South Korea | Manager |
| 10/1998 - 07/2010 |  | South Korea | South Korea | Manager |
| 01/2005 - 12/2007 |  | Jeonnam Dragons | South Korea | Manager |
| 12/2007 - 11/2000 | | South Korea | South Korea | Manager |
| 01/1996 - 12/1997 | | Jeonnam Dragons | South Korea | Manager |
| 01/1995 - 12/1995 | | South Korea | South Korea | Manager |
| 01/1993 - 12/1995 |  | Pohang Steelers | South Korea | Manager |
| 01/1991 - 12/1992 | | Pohang Steelers | South Korea | Ass. Coach |
National teams managed
| Season | Team | Position | |
|---|---|---|---|
| World Cup 2010 South Africa | | South Korea | Manager |
| Friendlies 2010 | | South Korea | Manager |
| Friendlies 2009 | | South Korea | Manager |
| WC Qualifiers Asia 2008/2009 | | South Korea | Manager |
| Friendlies 2008 | | South Korea | Manager |
| Friendlies 2007 | | South Korea | Manager |
| Asian Cup 2000 Lebanon | | South Korea | Manager |
| Gold Cup 2000 USA | | South Korea | Manager |
| Olympic Games 2000 | | South Korea | Manager |
| Friendlies 2000 | | South Korea | Manager |
| Friendlies 1999 | | South Korea | Manager |
| Friendlies 1998 | | South Korea | Manager |
| Friendlies 1995 | | South Korea | Manager |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 01/1984 - 12/1986 |  | Ulsan HD FC | South Korea | Midfield | |
| 08/1980 - 12/1983 |  | PSV Eindhoven |  Netherlands | Midfield | |
| 07/1980 - 07/1980 |  | Gyeongju KHNP | South Korea | Midfield | |
| 04/1974 - 12/1977 |  | Yonsei University | South Korea | Midfield |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Europa League | 7 | 4 | 3 | 1 | 450 | 1 | - | - | - | - | - | » All matches |
| Eredivisie | 77 | 61 | 16 | 7 | 5.784 | 11 | - | - | - | - | - | » All matches |
| KNVB beker | 8 | 7 | 1 | 2 | 604 | 1 | - | - | 1 | - | - | » All matches |
| Total | 92 | 72 | 20 | 10 | 6.838 | 13 | - | - | 1 | - | - |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 3 | 3 | - | - | 270 | 1 | - | - | 1 | - | - | » All matches |
| Total | 3 | 3 | - | - | 270 | 1 | - | - | 1 | - | - |