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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 draw
3 Kd6 draw
4 Nb6 draw
5 Kb8 loss in 18 half-moves
6 Kc8 loss in 14 half-moves
7 Kd7 loss in 14 half-moves
8 Kc6 loss in 12 half-moves
9 Kd8 loss in 8 half-moves