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

EGTB: win in 2 half-moves

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