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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kd6 win in 1 half-moves
3 K7b8 win in 5 half-moves
4 K7d8 loss in 4 half-moves
5 b3 loss in 2 half-moves
6 K7b7 loss in 2 half-moves
7 K7d7 loss in 2 half-moves
8 K8b7 loss in 2 half-moves
9 K8b8 loss in 2 half-moves
10 K8d7 loss in 2 half-moves
11 K8d8 loss in 2 half-moves
12 Nc1 loss in 2 half-moves
13 Nc3 loss in 2 half-moves
14 Nd4 loss in 2 half-moves
15 Nf4 loss in 2 half-moves
16 Ng1 loss in 2 half-moves
17 Ng3 loss in 2 half-moves
18 Kc6 loss in 1 half-moves