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

EGTB: win in 4 half-moves

# move score
1 Kf4 win in 3 half-moves
2 Kg4 win in 3 half-moves
3 Kh4 win in 3 half-moves
4 Kb2 win in 5 half-moves
5 Kb3 win in 5 half-moves
6 Kc2 win in 5 half-moves
7 Kd3 win in 5 half-moves
8 Kd4 win in 5 half-moves
9 Ke1 win in 5 half-moves
10 Ke2 win in 5 half-moves
11 Kf3 win in 5 half-moves
12 Kff2 win in 5 half-moves
13 Kfg2 win in 5 half-moves
14 Kg1 win in 5 half-moves
15 Kh3 win in 5 half-moves
16 Kd2 win in 7 half-moves
17 Kgf2 win in 9 half-moves
18 Kgg2 win in 9 half-moves
19 Kh2 win in 9 half-moves
20 Kb4 loss in 2 half-moves
21 Kc4 loss in 2 half-moves