Click on the third or sixth rank to set the en passant target square.

EGTB: loss in 61 half-moves

# move score
1 Kb2 loss in 60 half-moves
2 Kb3 loss in 54 half-moves
3 Ka2 loss in 52 half-moves
4 Kb4 loss in 50 half-moves
5 Ka4 loss in 40 half-moves