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

EGTB: win in 12 half-moves

# move score
1 Kb7 win in 11 half-moves
2 Ka7 draw
3 Kb8 draw
4 Ke7 draw
5 Ke8 draw
6 Kf8 draw
7 Kg6 draw
8 Kg7 draw
9 Kg8 draw
10 Ke6 loss in 2 half-moves
11 Kf6 loss in 2 half-moves