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 Kg6 win in 3 half-moves
3 Ke3 win in 7 half-moves
4 Kf1 win in 7 half-moves
5 Kf2 win in 7 half-moves
6 Kgf3 win in 7 half-moves
7 Kh6 win in 7 half-moves
8 Khg5 win in 7 half-moves
9 Kg1 win in 9 half-moves
10 Kgg3 win in 9 half-moves
11 Kh4 win in 9 half-moves
12 Khg4 win in 9 half-moves
13 Kfg4 win in 11 half-moves
14 Kfg5 win in 11 half-moves
15 Kh1 win in 11 half-moves
16 Kh3 win in 11 half-moves
17 Kff3 win in 13 half-moves
18 Kfg3 win in 13 half-moves
19 Kh2 win in 15 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves