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

EGTB: win in 14 half-moves

# move score
1 b4 win in 13 half-moves
2 Ke6 win in 13 half-moves
3 Nb6 win in 13 half-moves
4 Ka6 win in 15 half-moves
5 Kbc6 win in 15 half-moves
6 Kbc7 win in 15 half-moves
7 Kd5 win in 15 half-moves
8 Ke5 win in 15 half-moves
9 Ke7 win in 15 half-moves
10 Ka7 win in 17 half-moves
11 Kb8 win in 17 half-moves
12 Kc8 win in 17 half-moves
13 Kc5 win in 19 half-moves
14 Kdc6 win in 19 half-moves
15 Kb6 loss in 4 half-moves
16 Kd7 loss in 4 half-moves
17 Kdc7 loss in 4 half-moves
18 Nc7 loss in 4 half-moves