Distribution of initial orbital period and eccentricity for a sample of 20 000 binaries evolved in our project. The initial normalised separation at the periastron is colour-coded. The upper left-hand corner corresponds to the ZAMS EEVs, which experience RLOF at the periastron and should therefore rapidly circularise their orbits. The lower right-hand corner, on the other hand, is where relatively widely separated binaries can be found.