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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Kd7 win in 3 half-moves
3 Kd8 win in 3 half-moves
4 Kc6 loss in 42 half-moves
5 Kb6 loss in 34 half-moves
6 Kc8 loss in 34 half-moves
7 Kb7 loss in 32 half-moves
8 Kb8 loss in 22 half-moves