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

EGTB: draw

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