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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kc5 win in 3 half-moves
3 Kc6 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Kd4 win in 3 half-moves
6 K1d2 win in 5 half-moves
7 K1e2 win in 5 half-moves
8 K1f2 win in 5 half-moves
9 Kb7 win in 5 half-moves
10 Kc7 win in 5 half-moves
11 Kd1 win in 5 half-moves
12 Ke4 win in 5 half-moves
13 Kf1 win in 5 half-moves
14 Kf4 win in 5 half-moves
15 K3d2 win in 7 half-moves
16 K3e2 win in 7 half-moves
17 K3f2 win in 7 half-moves
18 Ka5 win in 7 half-moves
19 Ka6 win in 7 half-moves
20 Ka7 win in 7 half-moves
21 Kf3 win in 21 half-moves