Rubuta ci gaba don wannan sakin layi - Kristiana ya fara wakiltar Ostiraliya, tare da Elizabeth Cambage a Gasar Cin Kofin Duniya ta Under-19 ta 2009 a Bangkok, Thailand inda Ostiraliya ta zama ta biyar. Za ta sake wakiltar Gems a gasar cin kofin duniya ta 'yan kasa da shekaru 19 a shekarar 2011
a Chile inda suka rasa lambar tagulla, inda suka zama na hudu.