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

EGTB: win in 4 half-moves

# move score
1 Ke7 win in 3 half-moves
2 Kf7 win in 3 half-moves
3 Kg7 win in 3 half-moves
4 Kf5 loss in 20 half-moves
5 Ke5 loss in 18 half-moves
6 Ke6 loss in 16 half-moves
7 Kg6 loss in 16 half-moves
8 Kg5 loss in 12 half-moves