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

EGTB: win in 4 half-moves

# move score
1 Kg3 win in 3 half-moves
2 Kg4 win in 3 half-moves
3 Kff6 win in 7 half-moves
4 Kgf6 win in 7 half-moves
5 Kgg5 win in 9 half-moves
6 Khg5 win in 13 half-moves
7 Ke7 win in 17 half-moves
8 Ke8 win in 17 half-moves
9 Khh5 win in 17 half-moves
10 Kf8 win in 19 half-moves
11 Kgg7 win in 19 half-moves
12 Kfg7 win in 21 half-moves
13 Kg8 win in 21 half-moves
14 Kgh5 win in 21 half-moves
15 Kh3 win in 21 half-moves
16 Kh6 win in 21 half-moves
17 Kh7 win in 21 half-moves
18 Ke6 loss in 2 half-moves
19 Kf5 loss in 2 half-moves