Mohammad Mustafa Amini, MathewAllan Leckie, Benjamin Halloran, Eli Babalj each scored a goal to helpAustralia beat Vietnam 4-1 – the same margin of defeat as last time.
Vietnam 's only goal came from Nguyen Van Thanh after a skilful chip in the second half.
The defeat meant Vietnam finished fourth out of four teams on twopoints after two draws. They will play against third-ranked Republicof Korea for third-place on July 30.
The win meansAustralia topped the group with seven points. They will facesecond-ranked Thailand in the final at 6.30pm on July 30 at ThongNhat stadium. Thailand earned three points from three draws.
"Our players lost concentration and conceded early goals and everythingwent the wrong way," Trieu Quang Ha, Vietnam 's head coach, said atthe post-match press conference.
Meanwhile, a jubilantAustralian coach said: "We qualified for the final after Thailandand the RoK drew in the earlier match but we still wanted to play a goodgame. Early goals made it easier for us but we were more consistentthan Vietnam."
Contrary to the tactics Vietnam usedin the match against the RoK, the home side took the game to Australia, a move that proved fatal.
Taken full advantage ofVietnamese defenders' confusion, Mohammad Mustafa Amini burst into thebox beating keeper Tran Buu Ngoc just two minutes into the game.
Mathew Allan Leckie headed home from a corner on the right wing to double the score in the 15th minute.
Vietnam changed their style after going two-nil down and createdsome clear chances, but Le Quoc Phuong, Thanh, and Nguyen Thanh Hungfailed to capitalise on the opportunities presented.
In a counter-attack four minutes from the interval, Benjamin Halloran scored from a low pass from Ngoc to make it 3-0.
Australia rested some players in the second half, allowing the homeside to gain more possession, which eventually resulted in substituteEli Babalj heading a winner for Vietnam./.