South KoreaPlaying career
10FC Seoul?–present
South Korea national under-17 football team1998–1998
South Korea national under-20 football team1999–2000
South Korea national under-23 football team2002–2004
South Korea men's national football team2003–2010
FC Zenit Saint Petersburg2006–2009
Ulsan HD FC2010–2010
Zhejiang Professional F.C.2012–2013
Muangthong United F.C.2014–2015
Seoul E-Land FC2016–present