Son Heung-min's South Korea came back from the dead to beat Saudi Arabia 4-2 on penalties on Tuesday and join dark horse Uzbekistan in the Asian Cup quarterfinals.
South Korea will face Australia in the last eight while the Uzbeks play hosts and holders Qatar after beating Thailand 2-1.
Second-choice goalkeeper Jo Hyeon-woo was the hero for South Korea in Doha, saving penalties from Sami Al-Najei and Abdulrahman Ghareeb in the shootout.