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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kg4 win in 3 half-moves
3 Kb8 win in 5 half-moves
4 Kc7 win in 5 half-moves
5 Kcd7 win in 5 half-moves
6 Kcd8 win in 5 half-moves
7 Kd6 win in 5 half-moves
8 Ke6 win in 5 half-moves
9 Ke8 win in 5 half-moves
10 Ked7 win in 5 half-moves
11 Kef6 win in 5 half-moves
12 Kf4 win in 5 half-moves
13 Kf5 win in 5 half-moves
14 Kf7 win in 5 half-moves
15 Kf8 win in 5 half-moves
16 Kh4 win in 5 half-moves
17 Kh5 win in 5 half-moves
18 Ked8 win in 7 half-moves
19 Kg6 win in 7 half-moves
20 Kgf6 win in 7 half-moves
21 Kh6 win in 7 half-moves