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

EGTB: win in 6 half-moves

# move score
1 b4 win in 5 half-moves
2 Ka6 draw
3 Ka7 draw
4 Kbb7 draw
5 Kcb7 draw
6 Kcc7 draw
7 Kb8 loss in 4 half-moves
8 Kbc7 loss in 4 half-moves
9 Kc5 loss in 4 half-moves
10 Kc6 loss in 4 half-moves
11 Ka5 loss in 3 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Nf4 loss in 2 half-moves
15 Nf6 loss in 2 half-moves
16 Ng3 loss in 2 half-moves
17 Ng7 loss in 2 half-moves