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 Ke8 win in 3 half-moves
3 Kg6 win in 3 half-moves
4 Kg7 win in 3 half-moves
5 Kd7 win in 5 half-moves
6 Kc7 win in 7 half-moves
7 Kc8 win in 9 half-moves
8 Kg5 win in 9 half-moves
9 Kh5 win in 11 half-moves
10 Kh7 draw