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

EGTB: win in 2 half-moves

# move score
1 b4 win in 1 half-moves
2 Kb3 win in 1 half-moves
3 Kb4 win in 1 half-moves
4 Kd3 win in 1 half-moves
5 Kd4 win in 1 half-moves
6 Kd5 win in 1 half-moves
7 Kd7 win in 1 half-moves
8 Nb7 win in 1 half-moves
9 Kb6 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kb7 loss in 1 half-moves
15 Kc3 loss in 1 half-moves
16 Kc5 loss in 1 half-moves
17 Nc6 loss in 1 half-moves
18 Ne6 loss in 1 half-moves
19 Nf7 loss in 1 half-moves