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

EGTB: draw

# move score
1 Ba1 draw
2 Ba3 draw
3 Bf6 draw
4 Bg7 draw
5 Bh8 draw
6 Bc1 loss in 2 half-moves
7 Bc3 loss in 2 half-moves
8 Bd4 loss in 2 half-moves
9 Be5 loss in 2 half-moves