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

EGTB: win in 2 half-moves

# move score
1 b5 win in 1 half-moves
2 Ka6 win in 1 half-moves
3 Ka8 win in 1 half-moves
4 Kb7 win in 1 half-moves
5 Kb8 win in 1 half-moves
6 Kd7 win in 1 half-moves
7 Kf7 win in 1 half-moves
8 Kd6 loss in 1 half-moves
9 Kd8 loss in 1 half-moves
10 Ke6 loss in 1 half-moves
11 Ke8 loss in 1 half-moves
12 Kf6 loss in 1 half-moves
13 Kf8 loss in 1 half-moves