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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Kc6 win in 5 half-moves
3 Ke6 win in 9 half-moves
4 Kg7 win in 9 half-moves
5 Ke7 win in 11 half-moves
6 Ke8 win in 11 half-moves
7 Kc7 win in 13 half-moves
8 Kc8 win in 13 half-moves
9 Kf7 win in 13 half-moves
10 Kf8 win in 13 half-moves
11 Kd8 win in 15 half-moves
12 Kh7 win in 17 half-moves
13 Kh8 win in 17 half-moves