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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kd4 win in 3 half-moves
3 Kf3 win in 3 half-moves
4 Kf4 win in 3 half-moves
5 Kg3 win in 3 half-moves
6 Kgg5 win in 3 half-moves
7 Kgh5 win in 3 half-moves
8 Kh3 win in 3 half-moves
9 Kh4 win in 3 half-moves
10 Kh7 win in 3 half-moves
11 Khg5 win in 3 half-moves
12 Khh5 win in 3 half-moves
13 Kb3 win in 5 half-moves
14 Kc3 win in 5 half-moves
15 Kd3 win in 5 half-moves
16 Kb5 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Kg6 loss in 2 half-moves
21 Kg7 loss in 2 half-moves