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 Kc5 loss in 2 half-moves
5 Kc6 loss in 2 half-moves
6 Kd5 loss in 2 half-moves
7 Kd8 loss in 2 half-moves
8 Ke5 loss in 2 half-moves
9 Ke6 loss in 2 half-moves
10 Nc1 loss in 2 half-moves
11 Nc3 loss in 2 half-moves
12 Nd4 loss in 2 half-moves
13 Nf4 loss in 2 half-moves
14 Ng1 loss in 2 half-moves
15 Ng3 loss in 2 half-moves
16 Kcc7 loss in 1 half-moves
17 Kcd7 loss in 1 half-moves
18 Kdc7 loss in 1 half-moves
19 Kdd7 loss in 1 half-moves
20 Ke7 loss in 1 half-moves