( CNN ) -- Harry Kewell scored a dramatic extra-time winner as Australia beat holders Iraq 1-0 in the quarterfinals of the Asian Cup in Doha Saturday . The former Liverpool star struck with three minutes left of added time to deal a hammer blow to Iraq 's title defense . The Socceroos will now take on Uzbekistan for a place in Saturday 's final in Qatar . Kewell , who now plays for Galatasaray in Turkey , headed a cross from Matt McKay past Iraqi goalkeeper Mohammed Kassid to settle a tense encounter . Victory was sweet revenge for the Australians , who were beaten 3-1 by eventual winners Iraq in the group stages of the competition four years ago . Chances were few and far between in the first half of normal time , although McKay and Kewell came close just before the break . But in the second half , the Lions of Mesopotamia started to roar and Emad Mohammed hit the post with Mark Schwarzer beaten . Into extra-time , it was Australia who looked the more likely to make the breakthrough with Sasa Ognenovski nearly scoring with a spectacular overhead kick . Penalties were looming though when 32-year-old Kewell cropped up to score the vital goal to send Holgier Osieck 's men through . `` We showed great character in this game . It was delightful for the coach to watch . '' he told AFP . `` Basically , we should have done it in the regular 90 minutes . Iraq played better in extra time . '' Meanwhile , South Korea beat Iran 1-0 in in the later quarterfinal , again after extra-time , to set up a last-four meeting with Japan . South Korea dominated for most the match but created few clear-cut chances at the Qatar Sport Club stadium . However , a goal from South Korean midfielder Bit Ka Ram Yoon in the 105th minute was enough to knock out the three-time champions . Both semifinals are scheduled to take place on Tuesday .
South Korea score in extra-time to beat Iran 1 -0 in Asian Cup quarterfinals . McKay scores only goal of the game as Australia knock out four years ago champions Iraq . Kewell heads home winner with 105th minute left of extra time in Doha . Australia to face Uzbekistan in semifinals ; Iraq to meet Iraq .