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 Nb3 loss in 2 half-moves
3 Nb7 loss in 2 half-moves
4 Nc4 loss in 2 half-moves
5 Nc6 loss in 2 half-moves
6 Kb7 loss in 1 half-moves
7 Kb8 loss in 1 half-moves
8 Kc6 loss in 1 half-moves
9 Kcc8 loss in 1 half-moves
10 Kcd7 loss in 1 half-moves
11 Kd6 loss in 1 half-moves
12 Kdc8 loss in 1 half-moves
13 Kdd7 loss in 1 half-moves
14 Ke7 loss in 1 half-moves
15 Ke8 loss in 1 half-moves