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

EGTB: win in 2 half-moves

# move score
1 Ke5 win in 1 half-moves
2 Ke6 loss in 50 half-moves
3 Kf5 loss in 48 half-moves
4 Ke7 loss in 44 half-moves
5 Kf7 loss in 42 half-moves
6 Kg7 loss in 42 half-moves
7 Kg5 loss in 40 half-moves
8 Kg6 loss in 40 half-moves