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

EGTB: win in 12 half-moves

# move score
1 b5 win in 11 half-moves
2 Kb8 win in 15 half-moves
3 Kf8 win in 15 half-moves
4 Kg6 win in 15 half-moves
5 Kg7 win in 15 half-moves
6 Ng7 win in 15 half-moves
7 Kg8 win in 19 half-moves
8 Ka7 loss in 4 half-moves
9 Ka8 loss in 4 half-moves
10 Ka6 loss in 3 half-moves
11 Kf6 loss in 3 half-moves
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Nf4 loss in 2 half-moves
19 Nf6 loss in 2 half-moves
20 Ng3 loss in 2 half-moves