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 Ka3 draw
3 Ka5 draw
4 Kab3 draw
5 Kab4 draw
6 Kb2 draw
7 Kc2 draw
8 Kc4 draw
9 Kcb3 draw
10 Kcb4 draw
11 Kd2 draw
12 Kd3 draw
13 Kd4 loss in 2 half-moves