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 Kb7 win in 1 half-moves
3 Kc7 win in 1 half-moves
4 Kd4 win in 1 half-moves
5 Kd5 win in 1 half-moves
6 Kd7 win in 1 half-moves
7 Kd8 win in 1 half-moves
8 Ke4 win in 1 half-moves
9 Kb8 loss in 1 half-moves
10 Kd6 loss in 1 half-moves
11 Ke6 loss in 1 half-moves
12 Kf4 loss in 1 half-moves
13 Kf5 loss in 1 half-moves
14 Kf6 loss in 1 half-moves