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 Kc3 win in 5 half-moves
3 Kcd3 win in 7 half-moves
4 Ked3 win in 7 half-moves
5 Kf1 win in 7 half-moves
6 Kf3 win in 7 half-moves
7 Kg2 win in 7 half-moves
8 Kgf2 win in 7 half-moves
9 Kb2 win in 9 half-moves
10 Kc1 win in 9 half-moves
11 Kcd2 win in 9 half-moves
12 Kd1 win in 9 half-moves
13 Kd4 win in 9 half-moves
14 Ke2 win in 9 half-moves
15 Ke4 win in 9 half-moves
16 Kf4 win in 9 half-moves
17 Kb1 win in 11 half-moves
18 Ked2 win in 11 half-moves
19 Kh2 win in 11 half-moves
20 Kef2 win in 17 half-moves
21 Kh1 win in 19 half-moves