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 Ke7 win in 3 half-moves
3 Kg5 loss in 42 half-moves
4 Kf7 loss in 32 half-moves
5 Kg6 loss in 32 half-moves
6 Kg7 loss in 24 half-moves
7 Ke5 loss in 2 half-moves
8 Kf5 loss in 2 half-moves