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 Kb4 win in 13 half-moves
3 Ka4 win in 15 half-moves
4 Ka6 win in 15 half-moves
5 Kb6 win in 15 half-moves
6 Nc7 win in 15 half-moves
7 Nb6 win in 19 half-moves
8 Kc6 loss in 4 half-moves
9 Kc7 loss in 4 half-moves
10 Kc8 loss in 4 half-moves
11 Kd6 loss in 4 half-moves
12 Kd8 loss in 4 half-moves
13 Ke6 loss in 3 half-moves
14 Ke7 loss in 3 half-moves
15 Ke8 loss in 3 half-moves