South Korea eliminated Nigeria from the 2023 U-20 World Cup with a 1-0 win on Sunday.
Choi Seok-first-half Hyun’s extra-time goal sent Korea to the semi-finals.
South Korea scored five minutes into extra time after the match ended scoreless.
Throughout the first half and second half, the Flying Eagles dominated. They dominated with five first-half corners.
The first half ended scoreless.
Coach Ladan Bosso substituted players in the second half as the 2005 runners-up struggled to score.
South Korea opened up more after the first half, but neither team scored.
Choi Seok-Hyun scored from a corner kick in extra time.
Umeh Emmanuel’s shot from the edge of the box missed the crossbar in the second half of extra time.
The Asians won their second match in three against Nigeria at this level in extra time.
South Korea will meet Italy in the semi-finals in Argentina.