For many observers, the key lies with Demetris Christofias, leader of the Greek-Cypriot communist party Akel which governs in coalition with Mr Papadopoulos.
When Greece unexpectedly reached the last eight with a 1-0 win over Russia, a day before key elections which saw a narrow victory for pro-Euro party New Democracy, Greek newspapers were quick to link Friday's game with the country's economic turmoil and strained relations with Germany.