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

EGTB: win in 4 half-moves

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