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 Ka6 win in 1 half-moves
3 Ka8 win in 1 half-moves
4 Kab7 win in 1 half-moves
5 Kab8 win in 1 half-moves
6 Kb6 win in 1 half-moves
7 Kc7 win in 1 half-moves
8 Kcb7 win in 1 half-moves
9 Kcb8 win in 1 half-moves
10 Kd7 win in 1 half-moves
11 Kd8 win in 1 half-moves
12 Nb4 loss in 2 half-moves
13 Nb6 loss in 2 half-moves
14 Nc3 loss in 2 half-moves
15 Nc7 loss in 2 half-moves
16 Ne3 loss in 2 half-moves
17 Ne7 loss in 2 half-moves
18 Nf4 loss in 2 half-moves
19 Nf6 loss in 2 half-moves