Alter impressing at FK Sarajevo, where he led the club's scoring charts for four seasons, Repčić, together with Radomir Savić, made a transfer to Red Star Belgrade in the summer of 1979. In his first season in Belgrade (1979–80), he scored 7 league goals in 33 appearances.
Repčić and Savić, after a successful period at FK Sarajevo, transferred to Red Star Belgrade in the summer of 1979. During his first season with Red Star (1979–80), Repčić scored seven league goals in 33 appearances.