[4] In his final match against FC Seoul, Kim scored on a penalty kick, ending his playing career on a high note.

Kim was selected for the national team for the 2006 FIFA World Cup, and played two Group G matches as a substitute.

[6] In the 2007 AFC Asian Cup, he replaced injured defensive midfielder Kim Nam-il and helped South Korea reach the semi-finals.

However, Kim was involved in a drinking scandal with captain Lee Woon-jae and some others during the tournament, resulting in a one-year suspension from the national team and a two-year ban from competitions organized by the Korea Football Association.

[7] After nearly five years, in February 2012, Kim returned to the national team prior to a friendly against Uzbekistan and a World Cup qualifier against Kuwait.

[15] Early in the 2023 season, Kim failed to improve his problems, and Jeonbuk ranked tenth among twelve clubs after winning only three out of ten matches.

[18] On 6 June, he made his debut as Vietnam's manager in a World Cup qualifier against the Philippines, ending their eight-match losing streak with a 3–2 victory.