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 Kf4 loss in 40 half-moves
3 Kf6 loss in 40 half-moves
4 Kg4 loss in 26 half-moves
5 Kg6 loss in 26 half-moves
6 Kg5 loss in 24 half-moves
7 Ke4 loss in 2 half-moves
8 Ke6 loss in 2 half-moves