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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Kd8 loss in 22 half-moves
5 Kb8 loss in 20 half-moves
6 Nb7 loss in 14 half-moves
7 Nb3 loss in 2 half-moves
8 Nc6 loss in 2 half-moves
9 Nc4 loss in 1 half-moves