During four seasons playing for Proleter, mostly as a first choice in the right-back position, he collected 106 first league appearances, and scored 3 goals.
In summer 2015, Tanasin moved to Serbian SuperLiga club Borac Čačak, under coach Nenad Lalatović, who knows him from the time when he led Proleter.
[5] Tanasin made his SuperLiga debut for Borac Čačak in the 1st fixture, against Radnički Niš on 17 July 2015.
[6][7] Playing for Borac, Tanasin made over 50 SuperLiga caps and also noted several cup matches between 2015 and 2016.
This biographical article related to a Serbian association football defender is a stub.