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

EGTB: win in 2 half-moves

# move score
1 b4 win in 1 half-moves
2 Ka3 win in 1 half-moves
3 Ka5 win in 1 half-moves
4 Kb3 win in 1 half-moves
5 Kb4 win in 1 half-moves
6 Kb7 loss in 1 half-moves
7 Kb8 loss in 1 half-moves
8 Kc7 loss in 1 half-moves
9 Kd7 loss in 1 half-moves
10 Kd8 loss in 1 half-moves
11 Nb6 loss in 1 half-moves
12 Nc7 loss in 1 half-moves