Japan beat Iran 3-0 in the 2019 AFC Asian Cup semifinal match on Monday.
On Monday, four-time champion Japan defeated three-time champion Iran in Abu Dhabi to reach the final.
Japan's Yuya Osako scored at 56th and 67th minutes and Genki Haraguchi scored the last and the third goal in the last minute of the match.
Japan is the most successful team in the Asian Cup with four titles, followed by Iran and Saudi Arabia with three apiece.
On Tuesday, Japan will play against either host country UAE or Qatar in the final.
The United Arab Emirates (UAE) will face Qatar at 1400GMT on Tuesday in the other semifinal match.
Qatar advanced to the semifinals for the first time by beating two-time champion South Korea.
The UAE's biggest success in the tournament was to play in the 1996 Asian Cup final.
The 2019 AFC Asian Cup final will be on Feb. 1.
The 2019 AFC Asian Cup is the men's football championship of Asia organized by the Asian Football Confederation (AFC).
The 17th edition of the AFC Asian Cup kicked off in the United Arab Emirates (UAE) on Jan. 5.