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

EGTB: win in 4 half-moves

# move score
1 Bc1 win in 3 half-moves
2 Bd6 win in 5 half-moves
3 Kg4 win in 5 half-moves
4 Kg5 win in 5 half-moves
5 Kg6 win in 5 half-moves
6 Kh4 win in 5 half-moves
7 Kh6 win in 5 half-moves
8 Bb2 draw
9 Bb4 draw
10 Bc5 draw
11 Be7 draw
12 Bf8 draw