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 Kc6 win in 1 half-moves
3 Kd7 win in 1 half-moves
4 Ke7 win in 1 half-moves
5 Ng7 win in 1 half-moves
6 Ka6 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 b5 loss in 1 half-moves
10 Kc5 loss in 1 half-moves
11 Kc7 loss in 1 half-moves
12 Kd5 loss in 1 half-moves
13 Ke5 loss in 1 half-moves
14 Ke6 loss in 1 half-moves
15 Nc7 loss in 1 half-moves
16 Nf6 loss in 1 half-moves