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 Ke4 draw
3 Ke6 draw
4 Kf4 draw
5 Kf6 draw
6 Kg5 loss in 40 half-moves
7 Kg6 loss in 34 half-moves
8 Kg4 loss in 28 half-moves