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

EGTB: draw

# move score
1 Bb8 draw
2 Bd6 draw
3 Bf4 draw
4 Bg3 draw
5 Nb3 draw
6 Nc2 draw
7 Be5 loss in 4 half-moves
8 Bc7 loss in 2 half-moves
9 Bg1 loss in 2 half-moves