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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Ka3 win in 7 half-moves
3 Kf4 win in 7 half-moves
4 Kg5 win in 7 half-moves
5 Khg4 win in 7 half-moves
6 Kb1 win in 9 half-moves
7 Kf3 win in 9 half-moves
8 Kgg4 win in 9 half-moves
9 Kh5 win in 9 half-moves
10 Khh3 win in 9 half-moves
11 Kb2 win in 11 half-moves
12 Kf2 win in 11 half-moves
13 Kg2 win in 11 half-moves
14 Kgh3 win in 11 half-moves
15 Ka1 win in 13 half-moves
16 Kh2 win in 15 half-moves