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

EGTB: win in 4 half-moves

# move score
1 Bb4 win in 3 half-moves
2 Bh4 win in 7 half-moves
3 Ba3 draw
4 Bd6 draw
5 Bd8 draw
6 Bf6 draw
7 Bf8 draw
8 Bc5 loss in 2 half-moves
9 Bg5 loss in 2 half-moves