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

EGTB: win in 4 half-moves

# move score
1 Kf5 win in 3 half-moves
2 Kd3 win in 5 half-moves
3 Ke3 win in 7 half-moves
4 Kf4 win in 9 half-moves
5 Kg3 win in 9 half-moves
6 Kh3 win in 9 half-moves
7 Kh6 win in 9 half-moves
8 Kd1 win in 11 half-moves
9 Kd2 win in 11 half-moves
10 Kg1 win in 11 half-moves
11 Kg2 win in 11 half-moves
12 Kh1 win in 11 half-moves
13 Kh5 win in 11 half-moves
14 Ke1 win in 13 half-moves
15 Kf1 win in 13 half-moves
16 Kf2 win in 13 half-moves
17 Kf3 win in 13 half-moves
18 Kg4 win in 13 half-moves
19 Kh4 win in 13 half-moves
20 Kf6 draw
21 Kg6 draw