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

EGTB: win in 4 half-moves

# move score
1 Bb6 win in 3 half-moves
2 Bc7 win in 3 half-moves
3 Ka6 win in 3 half-moves
4 Bc3 draw
5 Bd2 draw
6 Be1 draw
7 Ka8 draw
8 Bb4 loss in 2 half-moves
9 Bd8 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves