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

EGTB: win in 4 half-moves

# move score
1 Kg4 win in 3 half-moves
2 Kg5 win in 3 half-moves
3 Kg6 win in 3 half-moves
4 Kh4 win in 3 half-moves
5 Kh6 win in 3 half-moves
6 Bd7 win in 5 half-moves
7 Bd1 win in 13 half-moves
8 Be8 win in 15 half-moves
9 Bb3 draw
10 Bb5 draw
11 Bc2 draw
12 Bc6 draw