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 Ka8 loss in 1 half-moves
5 Kb8 loss in 1 half-moves
6 Kbc7 loss in 1 half-moves
7 Kbc8 loss in 1 half-moves
8 Kc6 loss in 1 half-moves
9 Kdc7 loss in 1 half-moves
10 Kdc8 loss in 1 half-moves
11 Ke7 loss in 1 half-moves
12 Ke8 loss in 1 half-moves
13 Nb8 loss in 1 half-moves
14 Nc5 loss in 1 half-moves
15 Ne5 loss in 1 half-moves
16 Nf6 loss in 1 half-moves
17 Nf8 loss in 1 half-moves