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 Ke7 win in 1 half-moves
3 Kf7 win in 1 half-moves
4 b3 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Kd5 loss in 2 half-moves
7 Kd6 loss in 2 half-moves
8 Kd8 loss in 2 half-moves
9 Ke5 loss in 2 half-moves
10 Kf5 loss in 2 half-moves
11 Kf6 loss in 2 half-moves
12 Nb6 loss in 2 half-moves
13 Kc7 loss in 1 half-moves
14 Kcd7 loss in 1 half-moves
15 Ked7 loss in 1 half-moves
16 Nc7 loss in 1 half-moves