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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 Kc8 win in 1 half-moves
3 Kd4 win in 1 half-moves
4 Kd5 win in 1 half-moves
5 Kd6 win in 1 half-moves
6 b4 loss in 2 half-moves
7 Ka6 loss in 2 half-moves
8 Ka7 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kbb6 loss in 2 half-moves
11 Kbc6 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kcb6 loss in 2 half-moves
15 Kcc6 loss in 2 half-moves
16 Nf4 loss in 2 half-moves
17 Nf6 loss in 2 half-moves
18 Ng3 loss in 2 half-moves
19 Ng7 loss in 2 half-moves
20 Ka8 loss in 1 half-moves