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

EGTB: draw

# move score
1 Bb3 draw
2 Bc4 draw
3 Be6 draw
4 Bh7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd7 draw
8 Ke6 draw
9 Ke7 draw
10 Ba2 loss in 2 half-moves
11 Bd5 loss in 2 half-moves
12 Bf7 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke5 loss in 2 half-moves