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 Kf2 win in 3 half-moves
3 Kf3 win in 3 half-moves
4 Kf4 win in 3 half-moves
5 Kg2 win in 3 half-moves
6 Kg4 win in 3 half-moves
7 Kg6 win in 3 half-moves
8 Kg7 win in 3 half-moves
9 Kg8 win in 3 half-moves
10 Kh2 win in 3 half-moves
11 Kh3 win in 3 half-moves
12 Kh4 win in 3 half-moves
13 Kh6 win in 3 half-moves
14 Kh8 win in 3 half-moves
15 Kd4 win in 5 half-moves
16 Kb3 win in 7 half-moves
17 Kc3 win in 7 half-moves
18 Kd3 win in 7 half-moves
19 Kb5 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves