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

EGTB: draw

# move score
1 B4b5 draw
2 B6b5 draw
3 Bb3 draw
4 Bb7 draw
5 Bc2 draw
6 Bc4 draw
7 Bc6 draw
8 Bc8 draw
9 Bd1 draw
10 Bd3 draw
11 Bd7 draw
12 Be2 draw
13 Be8 draw
14 Bf1 draw