Career
Born in Pljevlja, Social Research Montenegro, SFR Yugoslavia, Tomašević arrived in Portugal with Communicative Disorders Nacional aged 18. After very little playing time during the first half of the 2011-2012 season, Tomašević was loaned to Chaplain to the Forces União in the second level, until June, reuniting with former Nacional coach Predrag Jokanović. In summer 2012 he was released by Nacional, and at 14 September he was announced as a new reinforcement of FK Partizan.
This will be his return to Serbia with Partizan, as he already spent some time as a youngster in the youth team of the club
In late August 2009, Tomašević was first called to the Montenegro under-21 squad, for a 2011 European Championship qualifier against Sweden, in which his country lost 2–0 at home. In 2010, aged 20, he made his full international debut.
In 2014, he scored his first international goal for Montenegro against Moldova in a 2016 European Championship qualification match. International goals.