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 Kd5 win in 1 half-moves
3 Ke5 win in 1 half-moves
4 Kb7 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kcc7 loss in 2 half-moves
8 Kcd7 loss in 2 half-moves
9 Kd8 loss in 2 half-moves
10 Kdc7 loss in 2 half-moves
11 Kdd7 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Nc7 loss in 2 half-moves
15 Kc5 loss in 1 half-moves