Prime Minister Scott Morrison and Opposition Leader Bill Shorten have set April 29 as the date they will meet for a head-to-head debate in Perth, The West Australian reports.
The Labor leader was reportedly planning to spend the week beginning April 29, about midway through the campaign, in the city.
The debate will canvass key election issues such as taxes, health care and jobs.

Prime Minister Scott Morrison at the Liberal candidate for Chisholm Gladys Liu's campaign launch at the Box Hill Golf Club in Melbourne. Source: AAP
The Liberals are hoping to hold on to the 11 seats they hold out of WA's 16, and are also eyeing off Cowan, which Labor's Anne Aly holds by a margin of 0.7 per cent.
As both leaders continue on the campaign trail, Mr Morrison announced lower-paid workers will be better off under his tax plan, as he continues to attack Labor's handling of the economy.
is promising to make sure cancer patients and older Australians don't get stung with fees for pathology if bulk-billing ends.

Opposition Leader Bill Shorten campaigning in Melbourne on Monday. Source: AAP
The prime minister will start the day in Melbourne on Tuesday, while Mr Shorten is expected to fly to Adelaide to campaign.
The coalition argues teachers, nurses, police officers and tradies stand to pay hundreds of dollars more in income tax in 2024/25 under Labor.
"Anyone earning more than $40,000 will better off under our plan," Treasurer Josh Frydenberg said.
"It means school teachers, nurses, bus drivers and emergency service workers right across the country will have more money in their pocket."

Treasurer Josh Frydenberg: "Anyone earning more than $40,000 will better off under our plan". Source: AAP
Labor does not support stages two and three of the coalition's tax cuts, but Mr Shorten has promised to look at tax relief if the budget can handle it.
Mr Shorten is promising $200 million to ensure pathology clinics keep bulk billing, as he says the system is in a crisis.