Matildas coach Hesterine de Reus has named three uncapped players in a 23-strong squad ahead of a two-match friendly series against Brazil next week.

Matildas coach Hesterine de Reus has challenged her young apprentices to stand up and be counted as she works to finalise a team to defend Australia’s Women’s Asian Cup title.

Three uncapped players – Rhali Dobson, Casey Dumont and Amy Harrison – were on Monday named in a 23-player squad for two friendlies against Brazil in Brisbane next week.

The experienced outfit boasts a whopping 543 international appearances between them and includes eight Brisbane Roar W-League stars.

While de Reus has all but chosen her ideal side, she said a couple of spots were still up for grabs for the trip to Vietnam in early May.

“We have a core group that’s invited to almost every activity, but we’re also looking for a bit more depth – so we’re swapping a bit around with the younger ones,” de Reus said.

“Hopefully they are aware that they’re really close to the squad.

“We try to help them and challenge them to create a better training environment … and hopefully that might trigger them to work hard and to do more to take over one of the positions that is available.”

The Matildas slipped outside the top 10 on the FIFA women’s ranking last Friday following their seventh-placing at the Cyprus Women’s Cup earlier this month.

Their two clashes with Brazil, ranked world No.6, on Sunday and Wednesday will prove a real test for Australia, who have only won three of their previous nine meetings.

Despite being restricted to south-east Queensland for their final two camps before heading to a much more humid Ho Chi Minh City, de Reus said she was very happy with the planned preparation.

“Maybe the best thing to do was to go to Darwin but that’s much more expensive and we don’t have the budget for that,” she said.

The 2010 champions will play their final warm-up match against a South Korean boys team on May 3 on the Gold Coast.

“Then we travel to Vietnam on May 8, so we still have a couple of days left to acclimatise there.

“So I think it’s pretty good preparation before we go to Asia.”

Matildas squad: Teigen Allen (Western Sydney Wanderers), Laura Alleway (Brisbane Roar), Mackenzie Arnold (Western Sydney Wanderers), Nicola Bolger (Sydney FC), Hannah Brewer (Newcastle Jets), Tameka Butt (Brisbane Roar), Kim Carroll (Brisbane Roar), Stephanie Catley (Melbourne Victory), Brianna Davey (Melbourne Victory/LdB FC Malmö), Lisa De Vanna (Boston), Rhali Dobson (Newcastle Jets), Casey Dumont (Sydney FC), Kathryn Gill (Perth Glory), Katrina-Lee Gorry (Brisbane Roar), Amy Harrison (Sydney FC), Michelle Heyman (Canberra United), Elise Kellond-Knight (Brisbane Roar), Alanna Kennedy (Western Sydney Wanderers), Leena Khamis (Sydney FC), Clare Polkinghorne (Brisbane Roar), Vedrana Popovic (Brisbane Roar), Hayley Raso (Brisbane Roar), Emily Van-Egmond (Western Sydney Wanderers)