Ștefan Grigorie played two friendly games for Romania, making his debut under coach Anghel Iordănescu on 12 February 2003, when he came as a substitute and replaced Mirel Rădoi in the 82nd minute of a 2–1 victory against Slovakia.
Ștefan Grigorie played two friendly matches for Romania under coach Anghel Iordănescu on February 12, 2003, as a substitute replacing Mirel Rădoi in the 82nd minute of a 2-1 victory against Slovakia.