[1] Petković started his professional career with hometown Lokomotiva Beograd in the 2014–15 season.
In the 2016–17 season, he was the top goalscorer of the fourth-tier Belgrade Zone League, helping the team to win the championship.
Javor Ivanjica gained promotion that season to the Serbian SuperLiga.
[3] However, the transfer was not realized and Petković continued playing for Javor in the second half of the season.
This biographical article related to a Serbian association football midfielder is a stub.