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

EGTB: draw

# move score
1 B2a4 draw
2 B2e4 draw
3 B6a4 draw
4 B6e4 draw
5 Ba8 draw
6 Bb1 draw
7 Bb3 draw
8 Bb5 draw
9 Bb7 draw
10 Bd1 draw
11 Bd3 draw
12 Bd5 draw
13 Bd7 draw
14 Be8 draw
15 Bf3 draw
16 Bf5 draw
17 Bg2 draw
18 Bg6 draw
19 Bh1 draw
20 Bh7 draw