Kammala wannan magana: Lee ya fara zama dan wasa a shekara ta 2004, yana da shekaru 16, ya wuce gasar da aka zaba a kowace shekara. A matsayinta na ƙwararriyar 'yar wasa, galibi ana lissafa ta a cikin manyan' yan wasan mata a Koriya. Ta lashe matsayi na 1 a rukunin mata na gasar cin kofin ETLand Cup Professional Baduk Championship a shekara ta 2008, kuma ta lashe lambar tagulla a gasar cin kofin ETLand Cup Professional Baduk Championship a shekara ta 2008.
Wasannin Wasannin Wasannin Duniya na 2008 a wannan shekarar. Ta cancanci sau 4 ga tawagar 'yan wasan Koriya (2006, 2007, 2008, 2010), wanda ke zaɓar' yan wasan ƙwararrun mata 5 kowace shekara don gasar cin kofin mata ta duniya ta Jeongganjang.