[1] He made his Cypriot First Division debut for APOEL at the age of 17 in a game against Olympiakos Nicosia on 25 November 2017.
[2] On 3 July 2018 Grubač signed a five-year contract for Italian Seria A side Chievo.
Chievo was excluded from Serie B in the summer of 2021 due to debts, making him a free agent.
[citation needed] On 7 September 2022, Grubač joined Romanian club Chindia Târgoviște.
[3] Born in Serbia, Grubač was a member of all the Montenegro national youth teams.