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 Kf5 draw
4 Kf7 draw
5 Kg6 draw
6 Kg7 draw
7 Nb6 draw
8 Nc7 draw
9 Ke5 loss in 2 half-moves
10 Kg5 loss in 2 half-moves