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 Kd4 win in 1 half-moves
3 Kd5 win in 1 half-moves
4 Kd6 win in 1 half-moves
5 Ke4 win in 1 half-moves
6 Ke6 win in 1 half-moves
7 Kf4 win in 1 half-moves
8 Kf5 win in 1 half-moves
9 Kf6 win in 1 half-moves
10 Na5 win in 1 half-moves
11 Nb8 win in 1 half-moves
12 Nd8 win in 1 half-moves
13 Kb7 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Ka7 loss in 1 half-moves
16 Na7 loss in 1 half-moves
17 Nb4 loss in 1 half-moves
18 Nd4 loss in 1 half-moves
19 Ne7 loss in 1 half-moves