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

EGTB: draw

# move score
1 Bb3 draw
2 Be6 draw
3 Bf7 draw
4 Bg8 draw
5 Kd7 draw
6 Kd8 draw
7 Ke7 draw
8 Kf7 draw
9 Kf8 draw
10 Bb1 loss in 2 half-moves
11 Bc4 loss in 2 half-moves
12 Bd5 loss in 2 half-moves