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 win in 1 half-moves
3 Kb4 loss in 2 half-moves
4 Kb5 loss in 2 half-moves
5 Ka4 loss in 1 half-moves
6 Kc6 loss in 1 half-moves
7 Kc7 loss in 1 half-moves
8 Kc8 loss in 1 half-moves
9 Kd6 loss in 1 half-moves
10 Kd8 loss in 1 half-moves
11 Ke6 loss in 1 half-moves
12 Ke7 loss in 1 half-moves
13 Ke8 loss in 1 half-moves
14 Nf4 loss in 1 half-moves
15 Nf6 loss in 1 half-moves
16 Ng3 loss in 1 half-moves
17 Ng7 loss in 1 half-moves