Rubuta ci gaba don wannan sakin layi - Anthamatten ya kuma bayyana ga Switzerland a gasar zakarun duniya na mata na IIHF guda uku. Farkon bayyanarta ya zo ne a gasar zakarun duniya ta mata ta 2011 IIHF, inda ta ba da izinin kwallaye shida a cikin minti 25 na lokacin wasa. Ta kuma taka leda a gasar cin kofin duniya ta mata ta 2012 ta IIHF
, da kuma sau ɗaya a gasar zakarun duniya ta mata ta 2013 IIHF. Mafi kyawun wasan nata ya zo ne a shekarar 2012, lokacin da ta buga wasanni 2, tare da GAA na 3.38. Ta yi aiki a matsayin madadin a zagayen lambar yabo na gasar 2012, inda ta lashe lambar tagulla a bayan Florence Schelling