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

EGTB: draw

# move score
1 Bb8 draw
2 Bd4 draw
3 Bf2 draw
4 Kg7 draw
5 Kg8 draw
6 Kh7 draw
7 Bb6 loss in 2 half-moves
8 Bc5 loss in 2 half-moves
9 Be3 loss in 2 half-moves
10 Bg1 loss in 2 half-moves