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

EGTB: win in 4 half-moves

# move score
1 Ke6 win in 3 half-moves
2 Ke7 win in 3 half-moves
3 Kf8 loss in 10 half-moves
4 Ng7 loss in 6 half-moves
5 Ke8 loss in 4 half-moves
6 Kg8 loss in 4 half-moves
7 Kf6 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kg7 loss in 2 half-moves
10 Nf6 loss in 2 half-moves
11 Ng3 loss in 2 half-moves
12 Nf4 loss in 1 half-moves