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

EGTB: win in 8 half-moves

# move score
1 Kb7 win in 7 half-moves
2 Kb8 loss in 4 half-moves
3 b5 loss in 2 half-moves
4 Ka3 loss in 2 half-moves
5 Ka4 loss in 2 half-moves
6 Ka5 loss in 2 half-moves
7 Kb3 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Nf4 loss in 2 half-moves
14 Nf6 loss in 2 half-moves
15 Ng3 loss in 2 half-moves
16 Ng7 loss in 2 half-moves
17 Kd7 loss in 1 half-moves
18 Kd8 loss in 1 half-moves