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

EGTB: win in 2 half-moves

# move score
1 b4 win in 1 half-moves
2 Kcc7 win in 1 half-moves
3 Kd5 win in 1 half-moves
4 Kd6 win in 1 half-moves
5 Kd7 win in 1 half-moves
6 Ka6 loss in 1 half-moves
7 Ka7 loss in 1 half-moves
8 Ka8 loss in 1 half-moves
9 Kb8 loss in 1 half-moves
10 Kbb6 loss in 1 half-moves
11 Kbc7 loss in 1 half-moves
12 Kc5 loss in 1 half-moves
13 Kc8 loss in 1 half-moves
14 Kcb6 loss in 1 half-moves
15 Ne6 loss in 1 half-moves
16 Ne8 loss in 1 half-moves
17 Nf5 loss in 1 half-moves
18 Nh5 loss in 1 half-moves