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 Kb7 win in 1 half-moves
3 Kb8 win in 1 half-moves
4 Kd6 loss in 26 half-moves
5 Kd7 loss in 22 half-moves
6 Kd8 loss in 16 half-moves
7 Kc6 loss in 2 half-moves
8 Kc8 loss in 2 half-moves