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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kb8 win in 1 half-moves
3 Kd7 win in 1 half-moves
4 Nb1 win in 1 half-moves
5 Nb5 win in 1 half-moves
6 Kc7 loss in 2 half-moves
7 Kd8 loss in 2 half-moves
8 Nc2 loss in 2 half-moves
9 Nc4 loss in 2 half-moves