 By late fall 2008, it became clear that only Serbia figured in his international choice.Citing sources close to Subotić's family, many reports in the Serbian press appeared about his decision to play for Serbia already being made, but waiting for the right moment to state it publicly since he had until 10 December 2009 (his 21st birthday) to declare his choice.In mid-December 2008, Subotić informed national team head coach Radomir Antić about his decision to represent Serbia.