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

EGTB: win in 4 half-moves

# move score
1 Bd2 win in 3 half-moves
2 Be1 win in 3 half-moves
3 Bd8 win in 5 half-moves
4 Kg4 win in 5 half-moves
5 Kg5 win in 5 half-moves
6 Kh4 win in 5 half-moves
7 Bb4 draw
8 Bb6 draw
9 Bc3 draw
10 Bc7 draw
11 Kg6 draw
12 Kh6 draw