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

EGTB: win in 20 half-moves

# move score
1 b4 win in 19 half-moves
2 Ka6 win in 19 half-moves
3 Kb4 win in 19 half-moves
4 Kb6 win in 19 half-moves
5 Kd7 win in 19 half-moves
6 Nc7 win in 19 half-moves
7 Kb7 win in 23 half-moves
8 Ka4 loss in 4 half-moves
9 Kb8 loss in 4 half-moves
10 Kc7 loss in 4 half-moves
11 Kd8 loss in 4 half-moves
12 Nb6 loss in 4 half-moves