Kammala jumla mai zuwa: A ranar 3 ga Fabrairun 1789, Sanguszko ya fara aiki a rundunar sojin Sarauta a matsayin kyaftin a cikin rundunar. A ranar 5 ga Oktoba, 1789, an daukaka shi zuwa Manjo, kuma a ranar 28 ga Afrilu, 1792, zuwa mataimakin brigadier. Ya kasance wakilin Lublin Voivodeship a cikin Babban Sejm na 1788 <unk> 1792. Sanguszko ya shiga cikin
Yaƙin Raba na Biyu inda ya yi yaƙi a Yaƙin Zieleńce a matsayin brigadier na sojan doki, yana karɓar Virtuti Militari a cikin sa a ranar 23 ga Yuni. A ranar 29 ga Yuli, 1792, Sanguszko mai shekaru 24 da haihuwa ya zama brigadier, bayan da ya karbi umarnin dukan brigade a ranar 25 ga Yuni. Kamar yadda Targowica Confederation ya ci nasara, ya shiga Rundunar Sojan Rasha ta Tsakiya don ceton kayansa da dukiyarsa daga kwace.