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 Kb6 win in 1 half-moves
3 Kb7 win in 1 half-moves
4 Kb8 win in 1 half-moves
5 Kc6 win in 1 half-moves
6 Kc8 win in 1 half-moves
7 Ke6 win in 1 half-moves
8 Ke8 win in 1 half-moves
9 Kf6 win in 1 half-moves
10 Kf8 win in 1 half-moves
11 Nb7 win in 1 half-moves
12 Ne6 win in 1 half-moves
13 Kcd6 loss in 1 half-moves
14 Kcd7 loss in 1 half-moves
15 Ked6 loss in 1 half-moves
16 Ked7 loss in 1 half-moves
17 Kf7 loss in 1 half-moves
18 Nc6 loss in 1 half-moves
19 Nf7 loss in 1 half-moves