Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Ka8 win in 1 half-moves
3 b5 loss in 2 half-moves
4 Kb8 loss in 2 half-moves
5 Kc6 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Ne5 loss in 2 half-moves
17 Ne7 loss in 2 half-moves
18 Nf4 loss in 2 half-moves
19 Nf8 loss in 2 half-moves
20 Nh4 loss in 2 half-moves
21 Nh8 loss in 2 half-moves
22 Ka7 loss in 1 half-moves