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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Kc2 win in 3 half-moves
4 Kcd2 win in 7 half-moves
5 Kd1 win in 7 half-moves
6 Kg3 win in 7 half-moves
7 Ke2 win in 9 half-moves
8 Ked2 win in 9 half-moves
9 Kef3 win in 9 half-moves
10 Kf1 win in 9 half-moves
11 Kgf2 win in 9 half-moves
12 Kgf3 win in 9 half-moves
13 Kh3 win in 9 half-moves
14 Kef2 win in 11 half-moves
15 Kg1 win in 13 half-moves
16 Kh2 win in 13 half-moves
17 Kh1 win in 15 half-moves
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Kf4 loss in 2 half-moves