The Matildas are daring to dream ahead of Monday's Women's World Cup round of 16 match at Stadium Australia
Standing in their way is the world No.13.
When asked if it was his team's job to spoil the party, coach Lars Sondergaard said: "It is, yes."
"We're going to have our own party if we succeed in ruining a party and that party is fine for me," he told reporters.
"But of course it's going to be a difficult game. But we see chances and we live in this week and we want to continue living there as long as possible and even onto the final day of the tournament.
"We're living in a dream at the moment. We want this dream to continue for a couple more weeks."
Denmark will embrace the underdog tag against the hosts, who will have likely more than 70,000 fans behind them.
"As a small country as well, in a way we're used to being underdogs when we play against the big nations," Sondergaard said.
"So again, I think of course Australia as a home team, with a lot of spectators behind them, could be said to be the favourites and we live very fine with it.
"We want to surprise against them and I think that's the most important thing that we can do."
Sondergaard wouldn't be drawn on what he could take from Denmark's 3-2 win over Australia in 2021, or their 3-2 loss last October, stressing counterpart Tony Gustavsson had evolved his game style since.
He instead focused on more recent history: Australia's 4-0 thumping of Canada last Monday.
"I expect them to play in quite the same way as they did in the last game where they were very successful," Sondergaard said.
"We shouldn't forget that they played against the Olympic champions in that game, one of the favourites also here at this tournament, and played a very fine game, I have to say.
"So that's in a way, the way I expect them to play - dynamic, quick. So I think it's also going to be a very lively game tomorrow."
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