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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Ka7 draw
3 Kb8 draw
4 Kd4 draw
5 Kd5 draw
6 Ke4 draw
7 Kf4 draw
8 Kf5 draw
9 Kd6 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Kf6 loss in 2 half-moves