Kammala jumla mai zuwa: Kroos ya lashe Golden Player a gasar zakarun Turai ta 2006 a karkashin gasar zakarun Turai na shekara 17, inda ya kuma kammala a matsayin mai tsaron gida, kuma ya lashe Golden Ball a gasar cin kofin duniya ta 2007 FIFA U-17. Ya fara bugawa Jamus wasa a shekara ta 2010, yana da shekaru 20, kuma ya bayyana a manyan gasa biyar. Kroos ya taimaka wa Jamus ta lashe gasar cin kofin duniya ta FIFA ta 2014, inda ya kasance babban mai ba da taimako kuma an zabe shi zuwa All-Star Team, Dream Team, da kuma dan wasan Jamus na shekara. A UEFA Euro 2016, an zaɓe shi zuwa Teamungiyar Gasar. Ya sanar da yin ritaya daga wasan kasa da kasa bayan da aka fitar da tawagarsa daga
Euro 2020 a cikin 2021.