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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc6 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Kd7 win in 3 half-moves
6 Ke1 win in 3 half-moves
7 Ke2 win in 3 half-moves
8 Kf2 win in 3 half-moves
9 Kb8 win in 7 half-moves
10 Kc8 win in 7 half-moves
11 Kd8 win in 7 half-moves
12 Kg1 win in 7 half-moves
13 Kg2 win in 7 half-moves