After coming through the youth system at Partizan, Radovanović was promoted to the senior squad in the 2006–07 season,[2] collecting two cup appearances in the process.

He was subsequently loaned to fellow Serbian SuperLiga club Smederevo in the summer of 2007.

[3] He failed to make his Serie A debut through the remainder of the 2007–08 season, being an unused sub in five games.

[7] He subsequently made his debuts for the under-21 side at the Valeriy Lobanovskyi Memorial Tournament in August 2007, where Serbia won silver medals.

On 17 November 2010, Radovanović made his full international debut for Serbia in a 1–0 away friendly win against Bulgaria, coming on as a half-time substitute for Radosav Petrović.