The contest for the final remaining top EU job has become a two-person race between the leaders of Poland and Denmark, pitting a center-right man supported by newer member states in the east against a center-left woman backed by many of Europe's fiscally prudent north.

The narrowing of a six-person field for European Council president to Donald Tusk, the Polish premier who many say is now the frontrunner, and Helle Thorning-Schmidt, the multilingual Dane who was initially championed by Berlin and London, came during a series of phone calls between leaders ahead of a summit on Saturday.