Korea Republic heads into the Asian Cup with momentum after a 2-0 win over Saudi Arabia in its final warm-up game.
The two-time winner will be looking to go better at this month's tournament than it did in 2011, when Korea Republic lost to eventual winner Japan in the semi-final.
And Uli Stielike's side appears in a strong position to challenge for the crown after two second-half goals secured victory against the three-time champion in Parramatta.
A 67th-minute own goal from Saudi Arabia defender Osama Hawsawi gave Korea Republic the lead, before Cho Young-cheol wrapped up success with a strike in the second minute of injury-time.
Iran will be seeking a fourth Asian Cup title in Australia and finalised its preparations with a 1-0 triumph against 2007 winner Iraq.
Sardar Azmoun settled the game in Iran's favour, the 20-year-old attacker finding the net in the 57th minute in Wollongong.
Elsewhere, Bahrain overcame Jordan 1-0 and Japan beat Auckland City 2-0 thanks to goals from Yasuhito Endo and Shinji Okazaki.
The Asian Cup starts on 9 January when host Australia takes on Kuwait.