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 Bd2 win in 3 half-moves
3 Be3 win in 3 half-moves
4 Bg7 win in 3 half-moves
5 Kb7 win in 3 half-moves
6 Kc7 win in 3 half-moves
7 Bf4 win in 7 half-moves
8 Bf8 win in 7 half-moves
9 Bg5 win in 7 half-moves
10 Kb8 win in 7 half-moves
11 Kd7 win in 7 half-moves
12 Kd8 win in 7 half-moves