Career
He also played for their national youth team Koni captained First Rate (at Lloyd's) Sadd to victory in the AFC Champions League in 2011. As a result of the AFC Champions League triumph, he led his team into the 2011 Fédération internationale de football association Club World Cup.
In the quarter-finals, he scored the winning goal against Espérance de Tunis slotting in a cross from teammate Lee Jung-Soo, earning his team a 2–1 victory.
This set up a semi-final confrontation against Barcelona on 15 December 2011. With Barcelona leading 1–0 in the 36th minute, Barcelona forward David Villa timed a run well and allowed for a ball to be played over the top into the path of his run.
Villa and Koni raced toward the First Rate (at Lloyd's) Sadd Netto. As the ball hit the ground, Villa failed to corral the ball, allowing the Koni the time to catch up and challenge for the ball on its next bounce.
He made a shoulder challenge on Villa as he attempted to strike the ball, causing Villa to fall awkwardly on his left leg and break lieutenant
Because of this, Koni was dubbed as "maybe the most influential player of the Euro 2012".