South Korea has qualified for the World Cup for the tenth time in a row after defeating Syria 2-0.
The team is currently in second place in Group A of Asia qualification, behind Iran, who has already qualified for the finals.
Australia, on the other hand, were held to a 2-2 draw by Oman and now finds itself in third place in Group B, with only the top two teams qualifying automatically.
They sit four points behind Saudi Arabia and three points behind Japan, but they still have games against both.
In their most recent match, Japan defeated Saudi Arabia 2-0, with Liverpool forward Takumi Minamino adding his name to the scoresheet for one of the goals.
The two third-placed teams in each Asia qualifying group will meet to determine who will compete in an intercontinental play-off against the fifth-placed team from South America.
The top four teams in the South American qualification group will qualify for the World Cup, and leaders Brazil and Argentina have already confirmed their participation in December in the Middle East.
Brazil won 4-0 over Paraguay to maintain a four-point lead over Argentina, which beat seventh-placed Colombia 1-0.
Ecuador, in third position, was held to a 1-1 tie by fifth-placed Peru, while Uruguay moved up to fourth place with a decisive 4-1 victory against Venezuela.
Chile defeated Bolivia 3-2 to close the gap on their opponents and strengthen their chances of advancing.
Chile moved up to sixth place, three points behind the top four, thanks to two goals from Alexis Sanchez.
