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

EGTB: win in 12 half-moves

# move score
1 b4 win in 11 half-moves
2 Kb6 win in 11 half-moves
3 Ke6 win in 11 half-moves
4 Ke7 win in 11 half-moves
5 Nc4 win in 11 half-moves
6 Nb7 win in 13 half-moves
7 Nc6 win in 13 half-moves
8 Ka6 win in 15 half-moves
9 Kd6 win in 15 half-moves
10 Kd8 win in 15 half-moves
11 Kc6 win in 17 half-moves
12 Kc7 win in 17 half-moves
13 Kc8 win in 17 half-moves
14 Ka8 loss in 4 half-moves
15 Kb7 loss in 4 half-moves
16 Kb8 loss in 4 half-moves
17 Ke8 loss in 4 half-moves
18 Nb3 loss in 2 half-moves