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

EGTB: draw

# move score
1 Bb1 draw
2 Bd1 draw
3 Bd3 draw
4 Bf5 draw
5 Bg6 draw
6 Bh7 draw
7 Ba4 loss in 2 half-moves
8 Bb3 loss in 2 half-moves
9 Be4 loss in 2 half-moves