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 Ke5 draw
3 Ke7 draw
4 Kf5 draw
5 Kf7 loss in 36 half-moves
6 Kg6 loss in 32 half-moves
7 Kg7 loss in 32 half-moves
8 Kg5 loss in 22 half-moves