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

EGTB: win in 4 half-moves

# move score
1 Kg4 win in 3 half-moves
2 Kc2 win in 5 half-moves
3 Kd1 win in 5 half-moves
4 Kd2 win in 5 half-moves
5 Kd3 win in 5 half-moves
6 Kgf3 win in 5 half-moves
7 Kgf4 win in 5 half-moves
8 Kh4 win in 5 half-moves
9 Kb1 win in 7 half-moves
10 Kb2 win in 7 half-moves
11 Kd4 win in 7 half-moves
12 Ke3 win in 7 half-moves
13 Kef4 win in 7 half-moves
14 Kf2 win in 7 half-moves
15 Kg2 win in 7 half-moves
16 Kef3 win in 9 half-moves
17 Kh2 win in 9 half-moves
18 Kh3 win in 9 half-moves
19 Kd5 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Kf5 loss in 2 half-moves