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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kd6 win in 3 half-moves
3 Kc7 win in 5 half-moves
4 Bb6 draw
5 Bc5 draw
6 Bd4 draw
7 Be3 draw
8 Kc8 draw
9 Kd8 draw
10 Ke6 draw
11 Bb8 loss in 2 half-moves
12 Bf2 loss in 2 half-moves
13 Bg1 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves