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

EGTB: win in 4 half-moves

# move score
1 Kf5 win in 3 half-moves
2 Kgg5 win in 3 half-moves
3 Kgh5 win in 3 half-moves
4 Khh5 win in 3 half-moves
5 Khg5 win in 21 half-moves
6 Kf6 win in 27 half-moves
7 Khg7 win in 27 half-moves
8 Nf6 win in 27 half-moves
9 Kf7 win in 29 half-moves
10 Kgg7 win in 31 half-moves
11 Khh7 win in 31 half-moves
12 Kgh7 win in 33 half-moves
13 Ne7 win in 33 half-moves