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 Kc4 win in 3 half-moves
3 Kd4 win in 3 half-moves
4 Ke4 win in 3 half-moves
5 Ke5 win in 3 half-moves
6 Kff5 win in 3 half-moves
7 Kgf5 win in 3 half-moves
8 Kb3 win in 7 half-moves
9 Kd3 win in 7 half-moves
10 Ke3 win in 7 half-moves
11 Kff3 win in 7 half-moves
12 Kfg3 win in 7 half-moves
13 Kfg5 win in 7 half-moves
14 Kgf3 win in 7 half-moves
15 Kgg3 win in 7 half-moves
16 Kgg5 win in 7 half-moves
17 Kh3 win in 7 half-moves
18 Kh4 win in 7 half-moves
19 Kh5 win in 7 half-moves
20 Kb2 win in 9 half-moves
21 Kc2 win in 9 half-moves
22 Kd2 win in 9 half-moves