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

EGTB: win in 6 half-moves

# move score
1 Kb1 win in 5 half-moves
2 Kb2 win in 5 half-moves
3 Kc2 win in 5 half-moves
4 Kd3 win in 5 half-moves
5 Kf4 win in 5 half-moves
6 Kcd1 win in 7 half-moves
7 Kcd2 win in 7 half-moves
8 Ke1 win in 7 half-moves
9 Ke3 win in 7 half-moves
10 Ked2 win in 7 half-moves
11 Kgf3 win in 7 half-moves
12 Kh3 win in 7 half-moves
13 Ked1 win in 9 half-moves
14 Kef2 win in 9 half-moves
15 Kf1 win in 9 half-moves
16 Kg2 win in 9 half-moves
17 Kgf2 win in 9 half-moves
18 Kh2 win in 9 half-moves
19 Kef3 loss in 4 half-moves
20 Kg4 loss in 2 half-moves
21 Kh4 loss in 2 half-moves