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 Kf5 win in 3 half-moves
3 Ke6 loss in 42 half-moves
4 Kg7 loss in 36 half-moves
5 Kf7 loss in 30 half-moves
6 Ke7 loss in 28 half-moves
7 Kg5 loss in 2 half-moves
8 Kg6 loss in 2 half-moves