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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Kb4 win in 1 half-moves
3 Ka3 draw
4 b4 loss in 1 half-moves
5 Ka5 loss in 1 half-moves
6 Kd7 loss in 1 half-moves
7 Kd8 loss in 1 half-moves
8 Ke7 loss in 1 half-moves
9 Kf7 loss in 1 half-moves
10 Kf8 loss in 1 half-moves
11 Nf4 loss in 1 half-moves
12 Nf6 loss in 1 half-moves
13 Ng3 loss in 1 half-moves
14 Ng7 loss in 1 half-moves