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 Ka8 win in 1 half-moves
3 Kb8 win in 1 half-moves
4 Kc8 win in 1 half-moves
5 Ka6 loss in 1 half-moves
6 Ka7 loss in 1 half-moves
7 Kc6 loss in 1 half-moves
8 Kc7 loss in 1 half-moves
9 Ke6 loss in 1 half-moves
10 Ke7 loss in 1 half-moves
11 Ke8 loss in 1 half-moves
12 Kf6 loss in 1 half-moves
13 Kf8 loss in 1 half-moves
14 Kg6 loss in 1 half-moves
15 Kg7 loss in 1 half-moves
16 Kg8 loss in 1 half-moves
17 Nf4 loss in 1 half-moves
18 Nf6 loss in 1 half-moves
19 Ng3 loss in 1 half-moves
20 Ng7 loss in 1 half-moves