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

EGTB: win in 4 half-moves

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