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

EGTB: win in 2 half-moves

# move score
1 Ka7 win in 1 half-moves
2 Kb7 win in 1 half-moves
3 Kb8 win in 1 half-moves
4 Kd6 win in 1 half-moves
5 Kd7 win in 1 half-moves
6 Ke7 win in 1 half-moves
7 Kf6 win in 1 half-moves
8 Kf7 win in 1 half-moves
9 b5 loss in 1 half-moves
10 Kd5 loss in 1 half-moves
11 Ke5 loss in 1 half-moves
12 Kf5 loss in 1 half-moves