[2] He made his debut for the team two days later, coming on as a substitute for compatriot Nebojša Kosović in a 1–1 home draw with Beşiktaş.

On 25 July 2019, Šćekić netted his first goal of the season to give Partizan a 1–0 win over Welsh club Connah's Quay Nomads in the first leg of the Europa League second qualifying round.

He made 40 appearances and scored five goals in the 2020–21 season, both career highs, but the club ended without a trophy for the second year in a row.

[4] On 1 June 2022, his contract was terminated by mutual consent, with Šćekić wishing to be closer to his family in Montenegro cited as one of the reasons.

He made his full international debut for Montenegro under Ljubiša Tumbaković, playing the first 85 minutes of a 2–1 friendly loss against Greece on 24 March 2016.