Mr Labus hopes that his party's demand for Serbia to break completely from Montenegro will win it votes.
ECONOMIST: The Balkans and the European Union
2.
However, Yugoslav Foreign Minister Goran Svilanovic, a backer of Mr Labus, also took heart from the fact that both leading candidates are reformers.
BBC: Kostunica tops Serbia poll
3.
Mr Kostunica is the favourite to win the second round, is he is more likely than Mr Labus to benefit from the support of voters who chose one of the losing candidates on Sunday.