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 Kc2 win in 5 half-moves
3 Kc3 win in 5 half-moves
4 Kf4 win in 5 half-moves
5 Kf5 win in 5 half-moves
6 Kgg4 win in 5 half-moves
7 Ka3 win in 7 half-moves
8 Kc1 win in 7 half-moves
9 Kf6 win in 7 half-moves
10 Khg4 win in 7 half-moves
11 Kgg6 win in 9 half-moves
12 Khg6 win in 9 half-moves
13 Ka2 win in 11 half-moves
14 Kb1 win in 11 half-moves
15 Khh4 win in 11 half-moves
16 Kgh4 win in 13 half-moves
17 Kgh6 win in 13 half-moves
18 Khh6 win in 13 half-moves
19 Ka1 win in 15 half-moves