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 Ka4 loss in 1 half-moves
3 Ka7 loss in 1 half-moves
4 Ka8 loss in 1 half-moves
5 Kaa6 loss in 1 half-moves
6 Kab6 loss in 1 half-moves
7 Kb4 loss in 1 half-moves
8 Kb8 loss in 1 half-moves
9 Kba6 loss in 1 half-moves
10 Kbb6 loss in 1 half-moves
11 Kc6 loss in 1 half-moves
12 Kc7 loss in 1 half-moves
13 Kc8 loss in 1 half-moves
14 Nb3 loss in 1 half-moves
15 Nc2 loss in 1 half-moves
16 Nc6 loss in 1 half-moves
17 Ne2 loss in 1 half-moves
18 Ne6 loss in 1 half-moves
19 Nf3 loss in 1 half-moves
20 Nf5 loss in 1 half-moves