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 Ke7 win in 1 half-moves
3 Kd6 loss in 30 half-moves
4 Kd7 loss in 30 half-moves
5 Kf6 loss in 30 half-moves
6 Kf7 loss in 30 half-moves
7 Kd5 loss in 2 half-moves
8 Kf5 loss in 2 half-moves