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 Kf5 win in 5 half-moves
5 Kg3 win in 5 half-moves
6 Kg4 win in 5 half-moves
7 Kh3 win in 5 half-moves
8 Ka3 win in 7 half-moves
9 Kb1 win in 7 half-moves
10 Kc1 win in 7 half-moves
11 Kf6 win in 7 half-moves
12 Kf7 win in 7 half-moves
13 Kg7 win in 7 half-moves
14 Kgg5 win in 7 half-moves
15 Kgh5 win in 7 half-moves
16 Khg5 win in 7 half-moves
17 Khh5 win in 7 half-moves
18 Ka1 win in 9 half-moves
19 Ka2 win in 9 half-moves
20 Kh6 win in 9 half-moves
21 Kh7 win in 9 half-moves