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

EGTB: win in 4 half-moves

# move score
1 Ke7 win in 3 half-moves
2 Ke6 draw
3 Kf6 draw
4 Kg7 draw
5 Ne7 draw
6 Nf4 draw
7 Nf8 draw
8 Kf8 loss in 10 half-moves
9 Ne5 loss in 8 half-moves
10 Nh4 loss in 8 half-moves
11 Nh8 loss in 8 half-moves
12 Kg8 loss in 6 half-moves
13 Ke8 loss in 4 half-moves