HANOI, -- Defending Champions Japan frustrated pre-tournament favourites Australia 5-4 (regular time 1-1) after the penalty shootout to reach the last four in the most heavyweight clash of the ongoing AFC Asian Cup up to now on July 21.

Japan's men's soccor team celebrates their hard-earned victory over Australia in AFC Asian Cup quarterly finals, Japan snatches Australia with a 5-4 shootout triumph in penalty battle on July 21, 2007. [Sina.com]

In-form keeper Yoshikatsu Kawaguchi made two crucial saves in the shootout to deny Harry Kewell and Lucas Neill's first two kicks, before veteran defender Yuji Nakazawa converted in the fifth one calmly to get the victory.

Alaves hitman John Aloisi ghosted in the far post before poking in substitute Harry Kewell's low corner unerringly on 69 minutes.

Frankfort striker Naohiro Takahara levelled for Japan minutes later, he rounded his marker inside the box with a quick cut and drilled into the net with a left-foot strike.

The Socceroos had to struggle with 10 men in the 75th minute when midfielder Vincenzo Grella was sent off directly by the referee with a purposely blow on Takahara's head.

Japan dominated the extra time and squandered several great chances to score in the last 10 minutes.