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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb3 draw
3 Nc7 draw
4 Ka4 loss in 22 half-moves
5 Nb6 loss in 8 half-moves
6 Ka2 loss in 4 half-moves
7 Kb2 loss in 2 half-moves