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 Ka7 loss in 2 half-moves
5 Ka8 loss in 2 half-moves
6 Kb7 loss in 2 half-moves
7 Kbc7 loss in 2 half-moves
8 Kc6 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kdc7 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Nb7 loss in 2 half-moves
15 Nc6 loss in 2 half-moves
16 Ne6 loss in 2 half-moves
17 Nf7 loss in 2 half-moves
18 Kc5 loss in 1 half-moves