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 loss in 1 half-moves
3 Ka7 loss in 1 half-moves
4 Kb8 loss in 1 half-moves
5 Kc3 loss in 1 half-moves
6 Kc4 loss in 1 half-moves
7 Kc5 loss in 1 half-moves
8 Kc6 loss in 1 half-moves
9 Kc7 loss in 1 half-moves
10 Kc8 loss in 1 half-moves
11 Kd3 loss in 1 half-moves
12 Kd5 loss in 1 half-moves
13 Ke3 loss in 1 half-moves
14 Ke4 loss in 1 half-moves
15 Ke5 loss in 1 half-moves
16 Nc7 loss in 1 half-moves