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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Kf8 win in 3 half-moves
3 Kd7 loss in 2 half-moves
4 Kd8 loss in 2 half-moves
5 Ke7 loss in 2 half-moves
6 Nf4 loss in 2 half-moves
7 Nf6 loss in 2 half-moves
8 Ng7 loss in 2 half-moves
9 Ng3 loss in 1 half-moves