Miličoć retired in 2013 as a player of AZS Koszalin. He stayed in the same club as an assistant coach for Zoran Sretenović. After a series of bad results and head coach changes, Miličić was named the head coach. Under coach Miličić the team won nine out of last ten games of the 2013–14 PLK season, making it the playoffs. In the next season, he led the team to the 3rd position before playoffs. He later led Anwil Włocławek to two winning two Polish League championships and Stal Ostrów Wielkopolski to another one, establishing himself as one of the best coaches in Poland.[3]