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

EGTB: win in 4 half-moves

# move score
1 Ked7 win in 3 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc8 draw
6 Kcd7 draw
7 Kcd8 draw
8 Kd6 draw
9 Ke7 draw
10 Kf7 draw
11 Kc6 loss in 2 half-moves
12 Ked8 loss in 2 half-moves
13 Kf8 loss in 2 half-moves