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

EGTB: win in 2 half-moves

# move score
1 Kc6 win in 1 half-moves
2 Kd6 win in 1 half-moves
3 Kd8 win in 3 half-moves
4 Kb6 loss in 40 half-moves
5 Kb7 loss in 28 half-moves
6 Kc8 loss in 14 half-moves
7 Kb8 loss in 12 half-moves
8 Kd7 loss in 2 half-moves