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

EGTB: win in 4 half-moves

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