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 b5 loss in 2 half-moves
3 Kb8 loss in 2 half-moves
4 Kc1 loss in 2 half-moves
5 Kc2 loss in 2 half-moves
6 Kc3 loss in 2 half-moves
7 Kd1 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Kd8 loss in 2 half-moves
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Kc7 loss in 1 half-moves
14 Kd7 loss in 1 half-moves