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

EGTB: win in 2 half-moves

# move score
1 b5 win in 1 half-moves
2 Kb7 loss in 1 half-moves
3 Kb8 loss in 1 half-moves
4 Kc6 loss in 1 half-moves
5 Kc8 loss in 1 half-moves
6 Kcd6 loss in 1 half-moves
7 Kcd7 loss in 1 half-moves
8 Kcd8 loss in 1 half-moves
9 Ke6 loss in 1 half-moves
10 Ke8 loss in 1 half-moves
11 Ked6 loss in 1 half-moves
12 Ked7 loss in 1 half-moves
13 Ked8 loss in 1 half-moves
14 Kf6 loss in 1 half-moves
15 Kf7 loss in 1 half-moves
16 Kf8 loss in 1 half-moves