[2] On 22 May 2022, Ivanović made his first-team debut, replacing Veljko Simić in the 90th minute in a 0:2 away win against TSC Bačka Topola.
[1] On 8 August 2022, Ivanović joined Serie A side Sampodria on a season-long loan, with the option to buy.
[3] After Sampodria failed to activate the option to buy Ivanović, he returned from loan and signed a new three-year deal with the club.
[5] On 30 August 2024, Ivanović signed a multi-year deal with EFL Championship club Millwall for a reported fee of £2.8 million.
[8] He made his debut on 18 November 2024 in a Nations League game against Denmark at the Dubočica Stadium.