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

EGTB: win in 4 half-moves

# move score
1 Ke5 win in 3 half-moves
2 Ke6 draw
3 Kf6 draw
4 Kg5 draw
5 Nb6 draw
6 Nc7 draw
7 Ke4 loss in 2 half-moves
8 Kf4 loss in 2 half-moves
9 Kg4 loss in 2 half-moves
10 Kg6 loss in 2 half-moves