Career
In the summer of 2011, Lukač signed with OFK Beograd. He spent two seasons at Karaburma, making 64 competitive appearances for the club In June 2013, Lukač moved to Partizan, penning a three-year deal.
Lukač made his international debut for Serbia in a friendly match against Brazil on 6 June 2014, coming on as a substitute for Vladimir Stojković in the 89th minute.
He managed to save a header from Jô in the second minute of injury time.