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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Ka7 draw
3 Kab7 draw
4 Kb8 draw
5 Kc8 draw
6 Kcb6 draw
7 Ka5 loss in 2 half-moves
8 Kab6 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Kcb7 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves