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 Kd5 win in 5 half-moves
4 Kd6 win in 9 half-moves
5 Ke7 win in 9 half-moves
6 Kf6 win in 9 half-moves
7 Kf7 win in 9 half-moves
8 Kd7 draw