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

EGTB: win in 2 half-moves

# move score
1 Bb6 win in 1 half-moves
2 Bc7 win in 1 half-moves
3 Bd2 win in 1 half-moves
4 Bd8 win in 1 half-moves
5 Be1 win in 1 half-moves
6 Bb4 loss in 2 half-moves
7 Bc3 loss in 2 half-moves