Thanks to Craig Goodwin’s volley from Nathaniel Atkinson’s cross, Australia appeared to be winning.
However, Son was fouled by Lewis Miller, and the game went into extra time after Hwang Hee-chan’s penalty in the 96th minute.
In the extra thirty minutes, Tottenham’s son made the difference by curling a free kick past Mat Ryan in Qatar.
After Aiden O’Neill was sent for a dangerous foul by the video assistant referee, Australia was reduced to 10 men.
For the second time in a straight, South Korea, who had last won the Asian Cup in 1960, was in danger of losing.
Cho Gue-sung’s equalizer in the 99th minute prevented Saudi Arabia from winning in the round of 16, as the Koreans prevailed on penalties.
Source from BBC Sports.