Iraqi champions Arbil and Kuwaiti side Al Kuwait will meet in the AFC Cup final after both recorded convincing victories on Tuesday.
Arbil became the first Iraqi club in 12 years to reach the decider of an Asian continental club competition with a resounding 8-2 aggregate win over Chonburi.
Nizar Mahrous' men, who beat the Thai team 4-1 at home in the first leg, repeated the score at Chonburi Municipality Stadium.
Amjed Rahdi netted a brace, while Saad Abdulameer and Mustafa Kareem added one each for Arbil. Suttinun Phukhom netted the only goal for the home side.
"Of course we're very happy with our performance tonight. This is a great result that we wanted," Mahrous said.
"We still have a lot of respect for Chonburi as they had a lot of motivation tonight and produced a great performance."
Arbil are aiming to become the first team from Iraq to win a continental club title, with Al Zawra'a the last side to reach a final in the Asian Cup Winners' Cup in 2000.
Al Kuwait advanced to their third AFC Cup final in four years with an emphatic 6-1 aggregate victory over Ettifaq.
Ettifaq, who went down 4-1 in the first leg, dominated possession throughout the contest but failed to find a way past goalkeeper Musab Al Kandari.
Al Kuwait struck twice on the counterattack, with Rogerinho and Khamis sealing the 2-0 away win.
The Kuwaiti side won the tournament in 2009 but lost in last year's final to Uzbek club Nasaf.
The decider will be held at Franso Hariri Stadium in Arbil on November 3.