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 Kb3 win in 3 half-moves
4 Ke6 win in 5 half-moves
5 Kf6 win in 5 half-moves
6 Kg6 win in 5 half-moves
7 Ka1 win in 11 half-moves
8 Ka3 win in 11 half-moves
9 Ke7 win in 11 half-moves
10 Ke8 win in 11 half-moves
11 Kf8 win in 11 half-moves
12 Kg7 win in 11 half-moves
13 Kg8 win in 11 half-moves