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

EGTB: win in 4 half-moves

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