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

EGTB: win in 4 half-moves

# move score
1 Nf7 win in 3 half-moves
2 Ka6 draw
3 Kb6 draw
4 Ng8 loss in 8 half-moves
5 Ka8 loss in 6 half-moves
6 Kb7 loss in 6 half-moves
7 Nf5 loss in 2 half-moves
8 Ng4 loss in 2 half-moves
9 Kb8 loss in 1 half-moves