Kammala wannan jumla: Ku ya wakilci Koriya ta Kudu a wasan kwallon kafa na maza da kuma wasan kwallon kafa na maza a gasar Olympics ta 2016 a Rio de Janeiro, Brazil. Ku da tawagar Koriya ta Kudu sun lashe lambar zinare a wasan kungiya. Ku ya harbi cikakkun goma a jere a cikin saiti uku a wasan zinare da Amurka. Nasarar Koriya ta Kudu a kan Amurka ta kasance karo na farko da wata tawagar 'yan wasan Korea ta Kudu ta doke wata tawagar' yan wasan Amurka a gasar Olympics. A cikin
a wasan harbi da baka na maza, Ku ya doke dan Faransa Jean-Charles Valladont a wasan karshe don lashe lambar zinare ta Olympics ta biyu.