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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kab6 draw
5 Kab7 draw
6 Kc7 draw
7 Kcb6 draw
8 Kcb7 draw
9 Kd5 draw
10 Kd6 draw
11 Kd7 draw
12 Kb5 loss in 2 half-moves
13 Kc5 loss in 2 half-moves