The lack of integration between the EU and Russia as well as misunderstanding between them on how the states of the post-Soviet space need to build their future, transforms this ‘in between’ status into the challenge for political elites and businesses of the post-Soviet countries. This paper is focused on factors that brought about Belarus’ choice in favour of Eurasian integration as well as on the further prospects of its participation in the Eurasian Economic Union and cooperation with the European Union.