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

EGTB: win in 10 half-moves

# move score
1 Kb7 win in 9 half-moves
2 Kc7 win in 9 half-moves
3 Kd7 win in 9 half-moves
4 Kf5 win in 11 half-moves
5 Kb8 win in 13 half-moves
6 Kd8 win in 13 half-moves
7 Ke4 win in 15 half-moves
8 Ke5 win in 15 half-moves
9 Kg4 win in 15 half-moves
10 Kg5 win in 15 half-moves
11 Kf3 win in 19 half-moves
12 Ke3 win in 21 half-moves
13 Kg3 win in 21 half-moves