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

EGTB: draw

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