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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Kcc7 draw
4 Kd6 draw
5 Kdd8 draw
6 Ke6 draw
7 Ke7 draw
8 Kc6 loss in 4 half-moves
9 Kcd8 loss in 4 half-moves
10 Kdc7 loss in 4 half-moves
11 Ke8 loss in 4 half-moves