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

EGTB: draw

# move score
1 B3b5 draw
2 B3f5 draw
3 B7b5 draw
4 B7f5 draw
5 Ba4 draw
6 Ba6 draw
7 Bb1 draw
8 Bc2 draw
9 Bc4 draw
10 Bc6 draw
11 Bc8 draw
12 Be2 draw
13 Be4 draw
14 Be6 draw
15 Be8 draw
16 Bf1 draw
17 Bg4 draw
18 Bg6 draw
19 Bh3 draw
20 Bh7 draw