MELBOURNE (Reuters) - Australia are throwing debutant Ajla Tomljanovic into the Fed Cup cauldron against France, dropping veteran Sam Stosur in favour of the Croatia-born debutant for the singles just weeks after she became eligible to represent the nation.
World number one Barty will meet 40th-ranked Mladenovic in the opener of the reverse singles on Sunday, with Tomljanovic to play world number 45 Garcia.
Barty and Stosur are slated to play Mladenovic and Garcia in the doubles, though all of Sunday's matches may be changed.
Despite winning the 2011 U.S. Open and making the French Open semi-finals four times, Stosur has long struggled to deal with the limelight in Australia.
She has never gone further than the fourth round at the Australian Open and has been knocked out of the first round at Melbourne Park for the last four tournaments in succession.
(Reporting by Ian Ransom; Editing by Simon Cameron-Moore)