Expenses could be reduced in Japan by purchasing food from vending machines and ‘100 Yen’ stores.
The Matildas won 2-0 with Caitlin Foord and Hayley Raso among the scorers.
Wozniacki said she would first play at the Canadian Open in Montreal in August before targeting the US Open while her long-term goal is the 2024 Olympics in Paris.
Australia scored on the counter in the 60th minute when Leckie got past the Danish defence and twisted into space before slotting the ball home.
Australia defeated Denmark 1-0 and clinched second place in Group D.
Adrien Rabiot forced a save from Kasper Schmeichel for France.
Christian Eriksen's return to a big tournament was the highlight of the match.
The Arab nation is in a difficult group that also contains France and Australia.
A keen battle is expected for the second place in Group D.
Onmanorama picks five marquee group games in this edition of the FIFA World Cup.