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

EGTB: win in 6 half-moves

# move score
1 Ng8 win in 5 half-moves
2 Kc7 loss in 8 half-moves
3 Kb7 loss in 4 half-moves
4 Kb8 loss in 4 half-moves
5 Kd7 loss in 2 half-moves
6 Kd8 loss in 2 half-moves
7 Nf5 loss in 2 half-moves
8 Nf7 loss in 2 half-moves
9 Ng4 loss in 1 half-moves