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

EGTB: draw

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