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

EGTB: win in 2 half-moves

# move score
1 Bb8 win in 1 half-moves
2 Be5 win in 1 half-moves
3 Bf4 win in 1 half-moves
4 Bg1 win in 1 half-moves
5 Bc7 loss in 2 half-moves
6 Bd6 loss in 2 half-moves
7 Bg3 loss in 2 half-moves