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

EGTB: win in 2 half-moves

# move score
1 Kd7 win in 1 half-moves
2 Kd8 win in 1 half-moves
3 Kf7 loss in 4 half-moves
4 Kf8 loss in 4 half-moves
5 b5 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Ke7 loss in 2 half-moves