Kammala jumla mai zuwa: A cikin 2016, Groizeleau ya jagoranci wasan U-20 tsakanin Faransa da Ingila. A watan Nuwambar 2017, Groizeleau ya kasance mataimakin alkalin wasa a wasanni biyu tsakanin Faransa da New Zealand. A watan Nuwambar 2018, Groizeleau ta gudanar da wasan rugby na kasa da kasa na farko, tsakanin Italiya da Afirka ta Kudu. An zabi Groizeleau ya yi aiki a
Gasar Cin Kofin Kasashe Shida ta Mata ta 2019; wasan farko da ta buga a gasar shi ne wasan Maris 2019 tsakanin Ingila da Italiya. A lokacin da aka nada ta, tana ɗaya daga cikin alƙalai mata shida na duniya. An zaɓe ta a matsayin jami'in gasar zakarun mata ta 2020, da farko don wasanni biyu a matsayin babban alkalin wasa, da wasanni biyu a matsayin mataimakin alkalin wasa. Daga baya a cikin shekarar, an zaɓe ta don yin hukunci a tsakanin Faransa da Ingila, bayan jami'in Irish Joy Neville ya ji rauni. An zabi Groizeleau a matsayin jami'in gasar zakarun kasashe shida na mata na 2021, don wasanni biyu a matsayin babban alkalin wasa, da wasa daya a matsayin mataimakin alkalin wasa.