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

EGTB: win in 4 half-moves

# move score
1 Bb4 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kd6 win in 5 half-moves
4 Bc3 win in 7 half-moves
5 Bd2 draw
6 Kb7 draw
7 Kb8 draw
8 Kc6 draw
9 Kc8 draw
10 Kd7 draw
11 Kd8 draw
12 Bb6 loss in 2 half-moves
13 Be1 loss in 2 half-moves