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 Kd8 win in 3 half-moves
3 Kb6 draw
4 Kb7 draw
5 Kc6 draw
6 Kc8 draw
7 Kd6 draw
8 Kb8 loss in 40 half-moves